Home / 11,435,547.20-15,781,280.83-6,278,863.64

Finding the Fourth Proportional to 11,435,547.20, 15,781,280.83 and 6,278,863.64

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Solution

The fourth proportional to 11,435,547.20, 15,781,280.83 and 6,278,863.64 is: 8,664,955.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,435,547.20 : 15,781,280.83 = 6,278,863.64 : x
  2. Step 2: Convert to fraction form
    11,435,547.20/15,781,280.83 = 6,278,863.64/x
  3. Step 3: Cross multiply
    11,435,547.20x = 15,781,280.83 × 6,278,863.64
  4. Step 4: Simplify right side
    11,435,547.20x = 99,088,510,301,512.45
  5. Step 5: Solve for x
    x = 99,088,510,301,512.45/11,435,547.20
  6. Step 6: Final answer
    x = 8,664,955.74

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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.