Home / 20,541,532.16-28,346,967.96-11,373,978.08

Finding the Fourth Proportional to 20,541,532.16, 28,346,967.96 and 11,373,978.08

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Solution

The fourth proportional to 20,541,532.16, 28,346,967.96 and 11,373,978.08 is: 15,695,897.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,541,532.16 : 28,346,967.96 = 11,373,978.08 : x
  2. Step 2: Convert to fraction form
    20,541,532.16/28,346,967.96 = 11,373,978.08/x
  3. Step 3: Cross multiply
    20,541,532.16x = 28,346,967.96 × 11,373,978.08
  4. Step 4: Simplify right side
    20,541,532.16x = 322,417,792,211,502.31
  5. Step 5: Solve for x
    x = 322,417,792,211,502.31/20,541,532.16
  6. Step 6: Final answer
    x = 15,695,897.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.