Home / 19,338,072.92-28,999,653.28-8,549,452.32

Finding the Fourth Proportional to 19,338,072.92, 28,999,653.28 and 8,549,452.32

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Solution

The fourth proportional to 19,338,072.92, 28,999,653.28 and 8,549,452.32 is: 12,820,882.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,338,072.92 : 28,999,653.28 = 8,549,452.32 : x
  2. Step 2: Convert to fraction form
    19,338,072.92/28,999,653.28 = 8,549,452.32/x
  3. Step 3: Cross multiply
    19,338,072.92x = 28,999,653.28 × 8,549,452.32
  4. Step 4: Simplify right side
    19,338,072.92x = 247,931,153,013,891.62
  5. Step 5: Solve for x
    x = 247,931,153,013,891.62/19,338,072.92
  6. Step 6: Final answer
    x = 12,820,882.10

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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.