Home / 8,990,001.40-13,485,002.10-8,840,702.20

Finding the Fourth Proportional to 8,990,001.40, 13,485,002.10 and 8,840,702.20

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Solution

The fourth proportional to 8,990,001.40, 13,485,002.10 and 8,840,702.20 is: 13,261,053.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,990,001.40 : 13,485,002.10 = 8,840,702.20 : x
  2. Step 2: Convert to fraction form
    8,990,001.40/13,485,002.10 = 8,840,702.20/x
  3. Step 3: Cross multiply
    8,990,001.40x = 13,485,002.10 × 8,840,702.20
  4. Step 4: Simplify right side
    8,990,001.40x = 119,216,887,732,474.61
  5. Step 5: Solve for x
    x = 119,216,887,732,474.61/8,990,001.40
  6. Step 6: Final answer
    x = 13,261,053.30

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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.