Home / 47,834,969.59-71,734,739.41-15,478,479.55

Finding the Fourth Proportional to 47,834,969.59, 71,734,739.41 and 15,478,479.55

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Solution

The fourth proportional to 47,834,969.59, 71,734,739.41 and 15,478,479.55 is: 23,211,987.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,834,969.59 : 71,734,739.41 = 15,478,479.55 : x
  2. Step 2: Convert to fraction form
    47,834,969.59/71,734,739.41 = 15,478,479.55/x
  3. Step 3: Cross multiply
    47,834,969.59x = 71,734,739.41 × 15,478,479.55
  4. Step 4: Simplify right side
    47,834,969.59x = 1,110,344,696,982,264.12
  5. Step 5: Solve for x
    x = 1,110,344,696,982,264.12/47,834,969.59
  6. Step 6: Final answer
    x = 23,211,987.10

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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.