Home / 8,612,961.14-12,907,254.45-4,776,470.93

Finding the Fourth Proportional to 8,612,961.14, 12,907,254.45 and 4,776,470.93

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Solution

The fourth proportional to 8,612,961.14, 12,907,254.45 and 4,776,470.93 is: 7,157,947.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,612,961.14 : 12,907,254.45 = 4,776,470.93 : x
  2. Step 2: Convert to fraction form
    8,612,961.14/12,907,254.45 = 4,776,470.93/x
  3. Step 3: Cross multiply
    8,612,961.14x = 12,907,254.45 × 4,776,470.93
  4. Step 4: Simplify right side
    8,612,961.14x = 61,651,125,666,538.13
  5. Step 5: Solve for x
    x = 61,651,125,666,538.13/8,612,961.14
  6. Step 6: Final answer
    x = 7,157,947.73

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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.