Home / 12,142,531.92-16,756,688.52-6,709,976.40

Finding the Fourth Proportional to 12,142,531.92, 16,756,688.52 and 6,709,976.40

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Solution

The fourth proportional to 12,142,531.92, 16,756,688.52 and 6,709,976.40 is: 9,259,764.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,142,531.92 : 16,756,688.52 = 6,709,976.40 : x
  2. Step 2: Convert to fraction form
    12,142,531.92/16,756,688.52 = 6,709,976.40/x
  3. Step 3: Cross multiply
    12,142,531.92x = 16,756,688.52 × 6,709,976.40
  4. Step 4: Simplify right side
    12,142,531.92x = 112,436,984,511,350.94
  5. Step 5: Solve for x
    x = 112,436,984,511,350.94/12,142,531.92
  6. Step 6: Final answer
    x = 9,259,764.38

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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.