Home / 11,878,305.77-16,392,061.96-6,445,797.77

Finding the Fourth Proportional to 11,878,305.77, 16,392,061.96 and 6,445,797.77

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Solution

The fourth proportional to 11,878,305.77, 16,392,061.96 and 6,445,797.77 is: 8,895,200.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,878,305.77 : 16,392,061.96 = 6,445,797.77 : x
  2. Step 2: Convert to fraction form
    11,878,305.77/16,392,061.96 = 6,445,797.77/x
  3. Step 3: Cross multiply
    11,878,305.77x = 16,392,061.96 × 6,445,797.77
  4. Step 4: Simplify right side
    11,878,305.77x = 105,659,916,313,280.53
  5. Step 5: Solve for x
    x = 105,659,916,313,280.53/11,878,305.77
  6. Step 6: Final answer
    x = 8,895,200.92

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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.