Home / 21,331,516.14-29,437,473.20-12,041,041.76

Finding the Fourth Proportional to 21,331,516.14, 29,437,473.20 and 12,041,041.76

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Solution

The fourth proportional to 21,331,516.14, 29,437,473.20 and 12,041,041.76 is: 16,616,626.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,331,516.14 : 29,437,473.20 = 12,041,041.76 : x
  2. Step 2: Convert to fraction form
    21,331,516.14/29,437,473.20 = 12,041,041.76/x
  3. Step 3: Cross multiply
    21,331,516.14x = 29,437,473.20 × 12,041,041.76
  4. Step 4: Simplify right side
    21,331,516.14x = 354,457,844,110,080.81
  5. Step 5: Solve for x
    x = 354,457,844,110,080.81/21,331,516.14
  6. Step 6: Final answer
    x = 16,616,626.86

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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.