Home / 8,911,128-12,307,387.14-6,022,450.92

Finding the Fourth Proportional to 8,911,128, 12,307,387.14 and 6,022,450.92

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Solution

The fourth proportional to 8,911,128, 12,307,387.14 and 6,022,450.92 is: 8,317,761.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,911,128 : 12,307,387.14 = 6,022,450.92 : x
  2. Step 2: Convert to fraction form
    8,911,128/12,307,387.14 = 6,022,450.92/x
  3. Step 3: Cross multiply
    8,911,128x = 12,307,387.14 × 6,022,450.92
  4. Step 4: Simplify right side
    8,911,128x = 74,120,635,004,089.17
  5. Step 5: Solve for x
    x = 74,120,635,004,089.17/8,911,128
  6. Step 6: Final answer
    x = 8,317,761.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.