Home / 12,070,423.10-16,657,621.80-6,914,781.02

Finding the Fourth Proportional to 12,070,423.10, 16,657,621.80 and 6,914,781.02

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Solution

The fourth proportional to 12,070,423.10, 16,657,621.80 and 6,914,781.02 is: 9,542,648.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,070,423.10 : 16,657,621.80 = 6,914,781.02 : x
  2. Step 2: Convert to fraction form
    12,070,423.10/16,657,621.80 = 6,914,781.02/x
  3. Step 3: Cross multiply
    12,070,423.10x = 16,657,621.80 × 6,914,781.02
  4. Step 4: Simplify right side
    12,070,423.10x = 115,183,807,060,978.23
  5. Step 5: Solve for x
    x = 115,183,807,060,978.23/12,070,423.10
  6. Step 6: Final answer
    x = 9,542,648.68

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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.