Home / 21,032,538.30-31,548,807.45-9,695,130.30

Finding the Fourth Proportional to 21,032,538.30, 31,548,807.45 and 9,695,130.30

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Solution

The fourth proportional to 21,032,538.30, 31,548,807.45 and 9,695,130.30 is: 14,542,695.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,032,538.30 : 31,548,807.45 = 9,695,130.30 : x
  2. Step 2: Convert to fraction form
    21,032,538.30/31,548,807.45 = 9,695,130.30/x
  3. Step 3: Cross multiply
    21,032,538.30x = 31,548,807.45 × 9,695,130.30
  4. Step 4: Simplify right side
    21,032,538.30x = 305,869,799,037,360.75
  5. Step 5: Solve for x
    x = 305,869,799,037,360.75/21,032,538.30
  6. Step 6: Final answer
    x = 14,542,695.45

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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.