Home / 18,472,320.50-25,490,706.68-10,211,890.16

Finding the Fourth Proportional to 18,472,320.50, 25,490,706.68 and 10,211,890.16

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Solution

The fourth proportional to 18,472,320.50, 25,490,706.68 and 10,211,890.16 is: 14,091,802.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,472,320.50 : 25,490,706.68 = 10,211,890.16 : x
  2. Step 2: Convert to fraction form
    18,472,320.50/25,490,706.68 = 10,211,890.16/x
  3. Step 3: Cross multiply
    18,472,320.50x = 25,490,706.68 × 10,211,890.16
  4. Step 4: Simplify right side
    18,472,320.50x = 260,308,296,716,938.28
  5. Step 5: Solve for x
    x = 260,308,296,716,938.28/18,472,320.50
  6. Step 6: Final answer
    x = 14,091,802.74

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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.