Home / 19,604,140.20-29,406,210.30-18,722,341.80

Finding the Fourth Proportional to 19,604,140.20, 29,406,210.30 and 18,722,341.80

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Solution

The fourth proportional to 19,604,140.20, 29,406,210.30 and 18,722,341.80 is: 28,083,512.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,604,140.20 : 29,406,210.30 = 18,722,341.80 : x
  2. Step 2: Convert to fraction form
    19,604,140.20/29,406,210.30 = 18,722,341.80/x
  3. Step 3: Cross multiply
    19,604,140.20x = 29,406,210.30 × 18,722,341.80
  4. Step 4: Simplify right side
    19,604,140.20x = 550,553,120,279,280.56
  5. Step 5: Solve for x
    x = 550,553,120,279,280.56/19,604,140.20
  6. Step 6: Final answer
    x = 28,083,512.70

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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.