Home / 40,438,221.20-60,657,331.80-28,959,095.60

Finding the Fourth Proportional to 40,438,221.20, 60,657,331.80 and 28,959,095.60

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Solution

The fourth proportional to 40,438,221.20, 60,657,331.80 and 28,959,095.60 is: 43,438,643.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,438,221.20 : 60,657,331.80 = 28,959,095.60 : x
  2. Step 2: Convert to fraction form
    40,438,221.20/60,657,331.80 = 28,959,095.60/x
  3. Step 3: Cross multiply
    40,438,221.20x = 60,657,331.80 × 28,959,095.60
  4. Step 4: Simplify right side
    40,438,221.20x = 1,756,581,470,437,120
  5. Step 5: Solve for x
    x = 1,756,581,470,437,120/40,438,221.20
  6. Step 6: Final answer
    x = 43,438,643.40

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1.5x scale

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.