Home / 28,990,276.20-43,485,414.30-19,435,127.40

Finding the Fourth Proportional to 28,990,276.20, 43,485,414.30 and 19,435,127.40

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Solution

The fourth proportional to 28,990,276.20, 43,485,414.30 and 19,435,127.40 is: 29,152,691.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,990,276.20 : 43,485,414.30 = 19,435,127.40 : x
  2. Step 2: Convert to fraction form
    28,990,276.20/43,485,414.30 = 19,435,127.40/x
  3. Step 3: Cross multiply
    28,990,276.20x = 43,485,414.30 × 19,435,127.40
  4. Step 4: Simplify right side
    28,990,276.20x = 845,144,566,962,281.75
  5. Step 5: Solve for x
    x = 845,144,566,962,281.75/28,990,276.20
  6. Step 6: Final answer
    x = 29,152,691.10

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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.