Home / 14,185,615.30-21,278,422.95-5,209,000.90

Finding the Fourth Proportional to 14,185,615.30, 21,278,422.95 and 5,209,000.90

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Solution

The fourth proportional to 14,185,615.30, 21,278,422.95 and 5,209,000.90 is: 7,813,501.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,185,615.30 : 21,278,422.95 = 5,209,000.90 : x
  2. Step 2: Convert to fraction form
    14,185,615.30/21,278,422.95 = 5,209,000.90/x
  3. Step 3: Cross multiply
    14,185,615.30x = 21,278,422.95 × 5,209,000.90
  4. Step 4: Simplify right side
    14,185,615.30x = 110,839,324,297,130.66
  5. Step 5: Solve for x
    x = 110,839,324,297,130.66/14,185,615.30
  6. Step 6: Final answer
    x = 7,813,501.35

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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.