Home / 47,838,106.76-71,767,625.16-15,493,278.90

Finding the Fourth Proportional to 47,838,106.76, 71,767,625.16 and 15,493,278.90

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Solution

The fourth proportional to 47,838,106.76, 71,767,625.16 and 15,493,278.90 is: 23,243,307.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,838,106.76 : 71,767,625.16 = 15,493,278.90 : x
  2. Step 2: Convert to fraction form
    47,838,106.76/71,767,625.16 = 15,493,278.90/x
  3. Step 3: Cross multiply
    47,838,106.76x = 71,767,625.16 × 15,493,278.90
  4. Step 4: Simplify right side
    47,838,106.76x = 1,111,915,832,518,072.50
  5. Step 5: Solve for x
    x = 1,111,915,832,518,072.50/47,838,106.76
  6. Step 6: Final answer
    x = 23,243,307.64

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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.