Home / 12,737,447.40-17,577,502.34-7,230,774.18

Finding the Fourth Proportional to 12,737,447.40, 17,577,502.34 and 7,230,774.18

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Solution

The fourth proportional to 12,737,447.40, 17,577,502.34 and 7,230,774.18 is: 9,978,368.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,737,447.40 : 17,577,502.34 = 7,230,774.18 : x
  2. Step 2: Convert to fraction form
    12,737,447.40/17,577,502.34 = 7,230,774.18/x
  3. Step 3: Cross multiply
    12,737,447.40x = 17,577,502.34 × 7,230,774.18
  4. Step 4: Simplify right side
    12,737,447.40x = 127,098,950,032,807.72
  5. Step 5: Solve for x
    x = 127,098,950,032,807.72/12,737,447.40
  6. Step 6: Final answer
    x = 9,978,368.98

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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.