Home / 18,720,948.30-28,081,422.45-16,593,434.70

Finding the Fourth Proportional to 18,720,948.30, 28,081,422.45 and 16,593,434.70

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Solution

The fourth proportional to 18,720,948.30, 28,081,422.45 and 16,593,434.70 is: 24,890,152.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,720,948.30 : 28,081,422.45 = 16,593,434.70 : x
  2. Step 2: Convert to fraction form
    18,720,948.30/28,081,422.45 = 16,593,434.70/x
  3. Step 3: Cross multiply
    18,720,948.30x = 28,081,422.45 × 16,593,434.70
  4. Step 4: Simplify right side
    18,720,948.30x = 465,967,249,707,189
  5. Step 5: Solve for x
    x = 465,967,249,707,189/18,720,948.30
  6. Step 6: Final answer
    x = 24,890,152.05

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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.