Home / 28,575,398.56-42,863,431.92-8,381,045.92

Finding the Fourth Proportional to 28,575,398.56, 42,863,431.92 and 8,381,045.92

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Solution

The fourth proportional to 28,575,398.56, 42,863,431.92 and 8,381,045.92 is: 12,571,666.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,575,398.56 : 42,863,431.92 = 8,381,045.92 : x
  2. Step 2: Convert to fraction form
    28,575,398.56/42,863,431.92 = 8,381,045.92/x
  3. Step 3: Cross multiply
    28,575,398.56x = 42,863,431.92 × 8,381,045.92
  4. Step 4: Simplify right side
    28,575,398.56x = 359,240,391,210,313.75
  5. Step 5: Solve for x
    x = 359,240,391,210,313.75/28,575,398.56
  6. Step 6: Final answer
    x = 12,571,666.86

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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.