Home / 21,039,616.32-29,034,386.56-11,747,329.60

Finding the Fourth Proportional to 21,039,616.32, 29,034,386.56 and 11,747,329.60

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Solution

The fourth proportional to 21,039,616.32, 29,034,386.56 and 11,747,329.60 is: 16,211,156.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,039,616.32 : 29,034,386.56 = 11,747,329.60 : x
  2. Step 2: Convert to fraction form
    21,039,616.32/29,034,386.56 = 11,747,329.60/x
  3. Step 3: Cross multiply
    21,039,616.32x = 29,034,386.56 × 11,747,329.60
  4. Step 4: Simplify right side
    21,039,616.32x = 341,076,508,654,130.12
  5. Step 5: Solve for x
    x = 341,076,508,654,130.12/21,039,616.32
  6. Step 6: Final answer
    x = 16,211,156.30

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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.