Home / 30,220,445.55-45,340,251.02-10,789,254.90

Finding the Fourth Proportional to 30,220,445.55, 45,340,251.02 and 10,789,254.90

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Solution

The fourth proportional to 30,220,445.55, 45,340,251.02 and 10,789,254.90 is: 16,187,303.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,220,445.55 : 45,340,251.02 = 10,789,254.90 : x
  2. Step 2: Convert to fraction form
    30,220,445.55/45,340,251.02 = 10,789,254.90/x
  3. Step 3: Cross multiply
    30,220,445.55x = 45,340,251.02 × 10,789,254.90
  4. Step 4: Simplify right side
    30,220,445.55x = 489,187,525,644,295.12
  5. Step 5: Solve for x
    x = 489,187,525,644,295.12/30,220,445.55
  6. Step 6: Final answer
    x = 16,187,303.56

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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.