Home / 7,817,331.81-11,727,565.07-2,699,949.45

Finding the Fourth Proportional to 7,817,331.81, 11,727,565.07 and 2,699,949.45

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Solution

The fourth proportional to 7,817,331.81, 11,727,565.07 and 2,699,949.45 is: 4,050,465.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,817,331.81 : 11,727,565.07 = 2,699,949.45 : x
  2. Step 2: Convert to fraction form
    7,817,331.81/11,727,565.07 = 2,699,949.45/x
  3. Step 3: Cross multiply
    7,817,331.81x = 11,727,565.07 × 2,699,949.45
  4. Step 4: Simplify right side
    7,817,331.81x = 31,663,832,847,085.96
  5. Step 5: Solve for x
    x = 31,663,832,847,085.96/7,817,331.81
  6. Step 6: Final answer
    x = 4,050,465.51

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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.