Home / 15,031,470.60-22,547,205.90-12,879,134.55

Finding the Fourth Proportional to 15,031,470.60, 22,547,205.90 and 12,879,134.55

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Solution

The fourth proportional to 15,031,470.60, 22,547,205.90 and 12,879,134.55 is: 19,318,701.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,031,470.60 : 22,547,205.90 = 12,879,134.55 : x
  2. Step 2: Convert to fraction form
    15,031,470.60/22,547,205.90 = 12,879,134.55/x
  3. Step 3: Cross multiply
    15,031,470.60x = 22,547,205.90 × 12,879,134.55
  4. Step 4: Simplify right side
    15,031,470.60x = 290,388,498,512,653.81
  5. Step 5: Solve for x
    x = 290,388,498,512,653.81/15,031,470.60
  6. Step 6: Final answer
    x = 19,318,701.83

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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.