Home / 31,518,555.57-47,279,250.35-9,657,333.65

Finding the Fourth Proportional to 31,518,555.57, 47,279,250.35 and 9,657,333.65

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Solution

The fourth proportional to 31,518,555.57, 47,279,250.35 and 9,657,333.65 is: 14,486,434.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,518,555.57 : 47,279,250.35 = 9,657,333.65 : x
  2. Step 2: Convert to fraction form
    31,518,555.57/47,279,250.35 = 9,657,333.65/x
  3. Step 3: Cross multiply
    31,518,555.57x = 47,279,250.35 × 9,657,333.65
  4. Step 4: Simplify right side
    31,518,555.57x = 456,591,495,351,829.31
  5. Step 5: Solve for x
    x = 456,591,495,351,829.31/31,518,555.57
  6. Step 6: Final answer
    x = 14,486,434.64

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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.