Home / 13,048,141.40-19,572,212.10-12,418,285.40

Finding the Fourth Proportional to 13,048,141.40, 19,572,212.10 and 12,418,285.40

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Solution

The fourth proportional to 13,048,141.40, 19,572,212.10 and 12,418,285.40 is: 18,627,428.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,048,141.40 : 19,572,212.10 = 12,418,285.40 : x
  2. Step 2: Convert to fraction form
    13,048,141.40/19,572,212.10 = 12,418,285.40/x
  3. Step 3: Cross multiply
    13,048,141.40x = 19,572,212.10 × 12,418,285.40
  4. Step 4: Simplify right side
    13,048,141.40x = 243,053,315,767,133.38
  5. Step 5: Solve for x
    x = 243,053,315,767,133.38/13,048,141.40
  6. Step 6: Final answer
    x = 18,627,428.10

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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.