Home / 21,331,622.64-29,437,620.20-12,041,148.24

Finding the Fourth Proportional to 21,331,622.64, 29,437,620.20 and 12,041,148.24

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Solution

The fourth proportional to 21,331,622.64, 29,437,620.20 and 12,041,148.24 is: 16,616,773.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,331,622.64 : 29,437,620.20 = 12,041,148.24 : x
  2. Step 2: Convert to fraction form
    21,331,622.64/29,437,620.20 = 12,041,148.24/x
  3. Step 3: Cross multiply
    21,331,622.64x = 29,437,620.20 × 12,041,148.24
  4. Step 4: Simplify right side
    21,331,622.64x = 354,462,748,661,018.44
  5. Step 5: Solve for x
    x = 354,462,748,661,018.44/21,331,622.64
  6. Step 6: Final answer
    x = 16,616,773.82

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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.