Home / 8,711,942.51-12,034,774.70-6,981,109.70

Finding the Fourth Proportional to 8,711,942.51, 12,034,774.70 and 6,981,109.70

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Solution

The fourth proportional to 8,711,942.51, 12,034,774.70 and 6,981,109.70 is: 9,643,782.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,711,942.51 : 12,034,774.70 = 6,981,109.70 : x
  2. Step 2: Convert to fraction form
    8,711,942.51/12,034,774.70 = 6,981,109.70/x
  3. Step 3: Cross multiply
    8,711,942.51x = 12,034,774.70 × 6,981,109.70
  4. Step 4: Simplify right side
    8,711,942.51x = 84,016,082,395,484.59
  5. Step 5: Solve for x
    x = 84,016,082,395,484.59/8,711,942.51
  6. Step 6: Final answer
    x = 9,643,782.92

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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.