Home / 38,685,909.60-57,962,509.20-18,447,573.60

Finding the Fourth Proportional to 38,685,909.60, 57,962,509.20 and 18,447,573.60

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Solution

The fourth proportional to 38,685,909.60, 57,962,509.20 and 18,447,573.60 is: 27,639,718.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,685,909.60 : 57,962,509.20 = 18,447,573.60 : x
  2. Step 2: Convert to fraction form
    38,685,909.60/57,962,509.20 = 18,447,573.60/x
  3. Step 3: Cross multiply
    38,685,909.60x = 57,962,509.20 × 18,447,573.60
  4. Step 4: Simplify right side
    38,685,909.60x = 1,069,267,654,507,677.25
  5. Step 5: Solve for x
    x = 1,069,267,654,507,677.25/38,685,909.60
  6. Step 6: Final answer
    x = 27,639,718.58

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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.