Home / 38,720,087.80-58,080,131.70-18,564,695.80

Finding the Fourth Proportional to 38,720,087.80, 58,080,131.70 and 18,564,695.80

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Solution

The fourth proportional to 38,720,087.80, 58,080,131.70 and 18,564,695.80 is: 27,847,043.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,720,087.80 : 58,080,131.70 = 18,564,695.80 : x
  2. Step 2: Convert to fraction form
    38,720,087.80/58,080,131.70 = 18,564,695.80/x
  3. Step 3: Cross multiply
    38,720,087.80x = 58,080,131.70 × 18,564,695.80
  4. Step 4: Simplify right side
    38,720,087.80x = 1,078,239,977,034,437
  5. Step 5: Solve for x
    x = 1,078,239,977,034,437/38,720,087.80
  6. Step 6: Final answer
    x = 27,847,043.70

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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.