Home / 8,612,490.28-12,921,261.84-2,547,382

Finding the Fourth Proportional to 8,612,490.28, 12,921,261.84 and 2,547,382

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Solution

The fourth proportional to 8,612,490.28, 12,921,261.84 and 2,547,382 is: 3,821,820.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,612,490.28 : 12,921,261.84 = 2,547,382 : x
  2. Step 2: Convert to fraction form
    8,612,490.28/12,921,261.84 = 2,547,382/x
  3. Step 3: Cross multiply
    8,612,490.28x = 12,921,261.84 × 2,547,382
  4. Step 4: Simplify right side
    8,612,490.28x = 32,915,389,828,502.88
  5. Step 5: Solve for x
    x = 32,915,389,828,502.88/8,612,490.28
  6. Step 6: Final answer
    x = 3,821,820.26

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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.