Home / 10,366,360.80-15,549,541.20-7,712,152.80

Finding the Fourth Proportional to 10,366,360.80, 15,549,541.20 and 7,712,152.80

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Solution

The fourth proportional to 10,366,360.80, 15,549,541.20 and 7,712,152.80 is: 11,568,229.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,366,360.80 : 15,549,541.20 = 7,712,152.80 : x
  2. Step 2: Convert to fraction form
    10,366,360.80/15,549,541.20 = 7,712,152.80/x
  3. Step 3: Cross multiply
    10,366,360.80x = 15,549,541.20 × 7,712,152.80
  4. Step 4: Simplify right side
    10,366,360.80x = 119,920,437,704,295.34
  5. Step 5: Solve for x
    x = 119,920,437,704,295.34/10,366,360.80
  6. Step 6: Final answer
    x = 11,568,229.20

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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.