Home / 20,071,637.49-27,699,427.32-11,369,807.49

Finding the Fourth Proportional to 20,071,637.49, 27,699,427.32 and 11,369,807.49

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Solution

The fourth proportional to 20,071,637.49, 27,699,427.32 and 11,369,807.49 is: 15,690,655.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,071,637.49 : 27,699,427.32 = 11,369,807.49 : x
  2. Step 2: Convert to fraction form
    20,071,637.49/27,699,427.32 = 11,369,807.49/x
  3. Step 3: Cross multiply
    20,071,637.49x = 27,699,427.32 × 11,369,807.49
  4. Step 4: Simplify right side
    20,071,637.49x = 314,937,156,211,646.62
  5. Step 5: Solve for x
    x = 314,937,156,211,646.62/20,071,637.49
  6. Step 6: Final answer
    x = 15,690,655.85

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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.