Home / 42,707,234.12-64,071,775.25-12,415,097.12

Finding the Fourth Proportional to 42,707,234.12, 64,071,775.25 and 12,415,097.12

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Solution

The fourth proportional to 42,707,234.12, 64,071,775.25 and 12,415,097.12 is: 18,625,821.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,707,234.12 : 64,071,775.25 = 12,415,097.12 : x
  2. Step 2: Convert to fraction form
    42,707,234.12/64,071,775.25 = 12,415,097.12/x
  3. Step 3: Cross multiply
    42,707,234.12x = 64,071,775.25 × 12,415,097.12
  4. Step 4: Simplify right side
    42,707,234.12x = 795,457,312,379,562.25
  5. Step 5: Solve for x
    x = 795,457,312,379,562.25/42,707,234.12
  6. Step 6: Final answer
    x = 18,625,821.33

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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.