Home / 21,684,773.77-29,924,708.61-12,392,237.43

Finding the Fourth Proportional to 21,684,773.77, 29,924,708.61 and 12,392,237.43

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Solution

The fourth proportional to 21,684,773.77, 29,924,708.61 and 12,392,237.43 is: 17,101,128.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,684,773.77 : 29,924,708.61 = 12,392,237.43 : x
  2. Step 2: Convert to fraction form
    21,684,773.77/29,924,708.61 = 12,392,237.43/x
  3. Step 3: Cross multiply
    21,684,773.77x = 29,924,708.61 × 12,392,237.43
  4. Step 4: Simplify right side
    21,684,773.77x = 370,834,094,118,685.25
  5. Step 5: Solve for x
    x = 370,834,094,118,685.25/21,684,773.77
  6. Step 6: Final answer
    x = 17,101,128.10

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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.