Home / 11,117,631.20-16,681,976.40-4,386,264.80

Finding the Fourth Proportional to 11,117,631.20, 16,681,976.40 and 4,386,264.80

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Solution

The fourth proportional to 11,117,631.20, 16,681,976.40 and 4,386,264.80 is: 6,581,578.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,117,631.20 : 16,681,976.40 = 4,386,264.80 : x
  2. Step 2: Convert to fraction form
    11,117,631.20/16,681,976.40 = 4,386,264.80/x
  3. Step 3: Cross multiply
    11,117,631.20x = 16,681,976.40 × 4,386,264.80
  4. Step 4: Simplify right side
    11,117,631.20x = 73,171,565,877,750.72
  5. Step 5: Solve for x
    x = 73,171,565,877,750.72/11,117,631.20
  6. Step 6: Final answer
    x = 6,581,578.81

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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.