Home / 21,742,234.65-30,002,500.27-12,799,925.47

Finding the Fourth Proportional to 21,742,234.65, 30,002,500.27 and 12,799,925.47

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Solution

The fourth proportional to 21,742,234.65, 30,002,500.27 and 12,799,925.47 is: 17,662,847.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,742,234.65 : 30,002,500.27 = 12,799,925.47 : x
  2. Step 2: Convert to fraction form
    21,742,234.65/30,002,500.27 = 12,799,925.47/x
  3. Step 3: Cross multiply
    21,742,234.65x = 30,002,500.27 × 12,799,925.47
  4. Step 4: Simplify right side
    21,742,234.65x = 384,029,767,219,642.38
  5. Step 5: Solve for x
    x = 384,029,767,219,642.38/21,742,234.65
  6. Step 6: Final answer
    x = 17,662,847.15

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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.