Home / 8,708,369.69-13,034,123.80-6,402,254.02

Finding the Fourth Proportional to 8,708,369.69, 13,034,123.80 and 6,402,254.02

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Solution

The fourth proportional to 8,708,369.69, 13,034,123.80 and 6,402,254.02 is: 9,582,479.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,708,369.69 : 13,034,123.80 = 6,402,254.02 : x
  2. Step 2: Convert to fraction form
    8,708,369.69/13,034,123.80 = 6,402,254.02/x
  3. Step 3: Cross multiply
    8,708,369.69x = 13,034,123.80 × 6,402,254.02
  4. Step 4: Simplify right side
    8,708,369.69x = 83,447,771,447,136.73
  5. Step 5: Solve for x
    x = 83,447,771,447,136.73/8,708,369.69
  6. Step 6: Final answer
    x = 9,582,479.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.