Home / 13,998,950.32-19,319,701.26-7,720,705.66

Finding the Fourth Proportional to 13,998,950.32, 19,319,701.26 and 7,720,705.66

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Solution

The fourth proportional to 13,998,950.32, 19,319,701.26 and 7,720,705.66 is: 10,655,207.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,998,950.32 : 19,319,701.26 = 7,720,705.66 : x
  2. Step 2: Convert to fraction form
    13,998,950.32/19,319,701.26 = 7,720,705.66/x
  3. Step 3: Cross multiply
    13,998,950.32x = 19,319,701.26 × 7,720,705.66
  4. Step 4: Simplify right side
    13,998,950.32x = 149,161,726,867,591.16
  5. Step 5: Solve for x
    x = 149,161,726,867,591.16/13,998,950.32
  6. Step 6: Final answer
    x = 10,655,207.96

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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.