Home / 28,776,701.60-43,109,065.20-17,383,306.40

Finding the Fourth Proportional to 28,776,701.60, 43,109,065.20 and 17,383,306.40

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Solution

The fourth proportional to 28,776,701.60, 43,109,065.20 and 17,383,306.40 is: 26,041,139.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,776,701.60 : 43,109,065.20 = 17,383,306.40 : x
  2. Step 2: Convert to fraction form
    28,776,701.60/43,109,065.20 = 17,383,306.40/x
  3. Step 3: Cross multiply
    28,776,701.60x = 43,109,065.20 × 17,383,306.40
  4. Step 4: Simplify right side
    28,776,701.60x = 749,378,088,989,177.25
  5. Step 5: Solve for x
    x = 749,378,088,989,177.25/28,776,701.60
  6. Step 6: Final answer
    x = 26,041,139.09

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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.