Home / 44,487,100.80-66,730,651.20-18,921,686.40

Finding the Fourth Proportional to 44,487,100.80, 66,730,651.20 and 18,921,686.40

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Solution

The fourth proportional to 44,487,100.80, 66,730,651.20 and 18,921,686.40 is: 28,382,529.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,487,100.80 : 66,730,651.20 = 18,921,686.40 : x
  2. Step 2: Convert to fraction form
    44,487,100.80/66,730,651.20 = 18,921,686.40/x
  3. Step 3: Cross multiply
    44,487,100.80x = 66,730,651.20 × 18,921,686.40
  4. Step 4: Simplify right side
    44,487,100.80x = 1,262,656,455,274,183.75
  5. Step 5: Solve for x
    x = 1,262,656,455,274,183.75/44,487,100.80
  6. Step 6: Final answer
    x = 28,382,529.60

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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.