Home / 21,281,616.16-31,805,814.15-15,536,448.27

Finding the Fourth Proportional to 21,281,616.16, 31,805,814.15 and 15,536,448.27

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Solution

The fourth proportional to 21,281,616.16, 31,805,814.15 and 15,536,448.27 is: 23,219,542.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,281,616.16 : 31,805,814.15 = 15,536,448.27 : x
  2. Step 2: Convert to fraction form
    21,281,616.16/31,805,814.15 = 15,536,448.27/x
  3. Step 3: Cross multiply
    21,281,616.16x = 31,805,814.15 × 15,536,448.27
  4. Step 4: Simplify right side
    21,281,616.16x = 494,149,386,226,709
  5. Step 5: Solve for x
    x = 494,149,386,226,709/21,281,616.16
  6. Step 6: Final answer
    x = 23,219,542.28

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.