Home / 8,862,216.50-12,223,785.38-5,426,154.38

Finding the Fourth Proportional to 8,862,216.50, 12,223,785.38 and 5,426,154.38

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Solution

The fourth proportional to 8,862,216.50, 12,223,785.38 and 5,426,154.38 is: 7,484,374.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,862,216.50 : 12,223,785.38 = 5,426,154.38 : x
  2. Step 2: Convert to fraction form
    8,862,216.50/12,223,785.38 = 5,426,154.38/x
  3. Step 3: Cross multiply
    8,862,216.50x = 12,223,785.38 × 5,426,154.38
  4. Step 4: Simplify right side
    8,862,216.50x = 66,328,146,579,866.97
  5. Step 5: Solve for x
    x = 66,328,146,579,866.97/8,862,216.50
  6. Step 6: Final answer
    x = 7,484,374.43

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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.