Home / 27,702,208.30-38,228,380.10-15,142,704.70

Finding the Fourth Proportional to 27,702,208.30, 38,228,380.10 and 15,142,704.70

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Solution

The fourth proportional to 27,702,208.30, 38,228,380.10 and 15,142,704.70 is: 20,896,567.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,702,208.30 : 38,228,380.10 = 15,142,704.70 : x
  2. Step 2: Convert to fraction form
    27,702,208.30/38,228,380.10 = 15,142,704.70/x
  3. Step 3: Cross multiply
    27,702,208.30x = 38,228,380.10 × 15,142,704.70
  4. Step 4: Simplify right side
    27,702,208.30x = 578,881,071,013,656.50
  5. Step 5: Solve for x
    x = 578,881,071,013,656.50/27,702,208.30
  6. Step 6: Final answer
    x = 20,896,567.69

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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.