Home / 18,398,897.20-27,598,345.80-6,282,042.40

Finding the Fourth Proportional to 18,398,897.20, 27,598,345.80 and 6,282,042.40

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Solution

The fourth proportional to 18,398,897.20, 27,598,345.80 and 6,282,042.40 is: 9,423,063.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,398,897.20 : 27,598,345.80 = 6,282,042.40 : x
  2. Step 2: Convert to fraction form
    18,398,897.20/27,598,345.80 = 6,282,042.40/x
  3. Step 3: Cross multiply
    18,398,897.20x = 27,598,345.80 × 6,282,042.40
  4. Step 4: Simplify right side
    18,398,897.20x = 173,373,978,485,461.94
  5. Step 5: Solve for x
    x = 173,373,978,485,461.94/18,398,897.20
  6. Step 6: Final answer
    x = 9,423,063.60

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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.