Home / 10,745,947.20-16,118,920.80-10,115,572.80

Finding the Fourth Proportional to 10,745,947.20, 16,118,920.80 and 10,115,572.80

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Solution

The fourth proportional to 10,745,947.20, 16,118,920.80 and 10,115,572.80 is: 15,173,359.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,745,947.20 : 16,118,920.80 = 10,115,572.80 : x
  2. Step 2: Convert to fraction form
    10,745,947.20/16,118,920.80 = 10,115,572.80/x
  3. Step 3: Cross multiply
    10,745,947.20x = 16,118,920.80 × 10,115,572.80
  4. Step 4: Simplify right side
    10,745,947.20x = 163,052,116,809,834.25
  5. Step 5: Solve for x
    x = 163,052,116,809,834.25/10,745,947.20
  6. Step 6: Final answer
    x = 15,173,359.20

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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.