Home / 14,406,248.43-19,880,389.22-7,879,820.80

Finding the Fourth Proportional to 14,406,248.43, 19,880,389.22 and 7,879,820.80

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Solution

The fourth proportional to 14,406,248.43, 19,880,389.22 and 7,879,820.80 is: 10,874,024.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,406,248.43 : 19,880,389.22 = 7,879,820.80 : x
  2. Step 2: Convert to fraction form
    14,406,248.43/19,880,389.22 = 7,879,820.80/x
  3. Step 3: Cross multiply
    14,406,248.43x = 19,880,389.22 × 7,879,820.80
  4. Step 4: Simplify right side
    14,406,248.43x = 156,653,904,524,925.75
  5. Step 5: Solve for x
    x = 156,653,904,524,925.75/14,406,248.43
  6. Step 6: Final answer
    x = 10,874,024.93

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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.