Home / 20,482,789.57-30,728,613.03-10,896,774.91

Finding the Fourth Proportional to 20,482,789.57, 30,728,613.03 and 10,896,774.91

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Solution

The fourth proportional to 20,482,789.57, 30,728,613.03 and 10,896,774.91 is: 16,347,518.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,482,789.57 : 30,728,613.03 = 10,896,774.91 : x
  2. Step 2: Convert to fraction form
    20,482,789.57/30,728,613.03 = 10,896,774.91/x
  3. Step 3: Cross multiply
    20,482,789.57x = 30,728,613.03 × 10,896,774.91
  4. Step 4: Simplify right side
    20,482,789.57x = 334,842,779,366,718.69
  5. Step 5: Solve for x
    x = 334,842,779,366,718.69/20,482,789.57
  6. Step 6: Final answer
    x = 16,347,518.40

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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.