Home / 14,299,430.10-21,449,145.15-13,249,670.10

Finding the Fourth Proportional to 14,299,430.10, 21,449,145.15 and 13,249,670.10

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Solution

The fourth proportional to 14,299,430.10, 21,449,145.15 and 13,249,670.10 is: 19,874,505.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,299,430.10 : 21,449,145.15 = 13,249,670.10 : x
  2. Step 2: Convert to fraction form
    14,299,430.10/21,449,145.15 = 13,249,670.10/x
  3. Step 3: Cross multiply
    14,299,430.10x = 21,449,145.15 × 13,249,670.10
  4. Step 4: Simplify right side
    14,299,430.10x = 284,194,097,164,515
  5. Step 5: Solve for x
    x = 284,194,097,164,515/14,299,430.10
  6. Step 6: Final answer
    x = 19,874,505.15

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.