Home / 27,148,678.59-40,668,493-12,555,142.74

Finding the Fourth Proportional to 27,148,678.59, 40,668,493 and 12,555,142.74

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Solution

The fourth proportional to 27,148,678.59, 40,668,493 and 12,555,142.74 is: 18,807,498.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,148,678.59 : 40,668,493 = 12,555,142.74 : x
  2. Step 2: Convert to fraction form
    27,148,678.59/40,668,493 = 12,555,142.74/x
  3. Step 3: Cross multiply
    27,148,678.59x = 40,668,493 × 12,555,142.74
  4. Step 4: Simplify right side
    27,148,678.59x = 510,598,734,635,690.81
  5. Step 5: Solve for x
    x = 510,598,734,635,690.81/27,148,678.59
  6. Step 6: Final answer
    x = 18,807,498.60

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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.