Home / 20,331,097.50-28,057,111.38-11,163,937.08

Finding the Fourth Proportional to 20,331,097.50, 28,057,111.38 and 11,163,937.08

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Solution

The fourth proportional to 20,331,097.50, 28,057,111.38 and 11,163,937.08 is: 15,406,341.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,331,097.50 : 28,057,111.38 = 11,163,937.08 : x
  2. Step 2: Convert to fraction form
    20,331,097.50/28,057,111.38 = 11,163,937.08/x
  3. Step 3: Cross multiply
    20,331,097.50x = 28,057,111.38 × 11,163,937.08
  4. Step 4: Simplify right side
    20,331,097.50x = 313,227,826,092,871.94
  5. Step 5: Solve for x
    x = 313,227,826,092,871.94/20,331,097.50
  6. Step 6: Final answer
    x = 15,406,341.25

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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.