Home / 42,707,232.96-64,071,773.52-12,415,095.96

Finding the Fourth Proportional to 42,707,232.96, 64,071,773.52 and 12,415,095.96

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Solution

The fourth proportional to 42,707,232.96, 64,071,773.52 and 12,415,095.96 is: 18,625,819.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,707,232.96 : 64,071,773.52 = 12,415,095.96 : x
  2. Step 2: Convert to fraction form
    42,707,232.96/64,071,773.52 = 12,415,095.96/x
  3. Step 3: Cross multiply
    42,707,232.96x = 64,071,773.52 × 12,415,095.96
  4. Step 4: Simplify right side
    42,707,232.96x = 795,457,216,831,998.75
  5. Step 5: Solve for x
    x = 795,457,216,831,998.75/42,707,232.96
  6. Step 6: Final answer
    x = 18,625,819.60

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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.