Home / 14,385,686.64-21,571,391.40-5,287,417.20

Finding the Fourth Proportional to 14,385,686.64, 21,571,391.40 and 5,287,417.20

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Solution

The fourth proportional to 14,385,686.64, 21,571,391.40 and 5,287,417.20 is: 7,928,502.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,385,686.64 : 21,571,391.40 = 5,287,417.20 : x
  2. Step 2: Convert to fraction form
    14,385,686.64/21,571,391.40 = 5,287,417.20/x
  3. Step 3: Cross multiply
    14,385,686.64x = 21,571,391.40 × 5,287,417.20
  4. Step 4: Simplify right side
    14,385,686.64x = 114,056,945,916,292.08
  5. Step 5: Solve for x
    x = 114,056,945,916,292.08/14,385,686.64
  6. Step 6: Final answer
    x = 7,928,502.04

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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.