Home / 7,485,132.80-10,329,325.80-4,430,331.20

Finding the Fourth Proportional to 7,485,132.80, 10,329,325.80 and 4,430,331.20

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Solution

The fourth proportional to 7,485,132.80, 10,329,325.80 and 4,430,331.20 is: 6,113,763.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,485,132.80 : 10,329,325.80 = 4,430,331.20 : x
  2. Step 2: Convert to fraction form
    7,485,132.80/10,329,325.80 = 4,430,331.20/x
  3. Step 3: Cross multiply
    7,485,132.80x = 10,329,325.80 × 4,430,331.20
  4. Step 4: Simplify right side
    7,485,132.80x = 45,762,334,366,704.97
  5. Step 5: Solve for x
    x = 45,762,334,366,704.97/7,485,132.80
  6. Step 6: Final answer
    x = 6,113,763.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.