Home / 19,240,331.70-28,876,827.15-7,888,926.90

Finding the Fourth Proportional to 19,240,331.70, 28,876,827.15 and 7,888,926.90

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Solution

The fourth proportional to 19,240,331.70, 28,876,827.15 and 7,888,926.90 is: 11,840,085.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,240,331.70 : 28,876,827.15 = 7,888,926.90 : x
  2. Step 2: Convert to fraction form
    19,240,331.70/28,876,827.15 = 7,888,926.90/x
  3. Step 3: Cross multiply
    19,240,331.70x = 28,876,827.15 × 7,888,926.90
  4. Step 4: Simplify right side
    19,240,331.70x = 227,807,178,490,285.34
  5. Step 5: Solve for x
    x = 227,807,178,490,285.34/19,240,331.70
  6. Step 6: Final answer
    x = 11,840,085.82

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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.