Home / 7,815,595.79-10,761,446.51-6,942,917.18

Finding the Fourth Proportional to 7,815,595.79, 10,761,446.51 and 6,942,917.18

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Solution

The fourth proportional to 7,815,595.79, 10,761,446.51 and 6,942,917.18 is: 9,559,838.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,815,595.79 : 10,761,446.51 = 6,942,917.18 : x
  2. Step 2: Convert to fraction form
    7,815,595.79/10,761,446.51 = 6,942,917.18/x
  3. Step 3: Cross multiply
    7,815,595.79x = 10,761,446.51 × 6,942,917.18
  4. Step 4: Simplify right side
    7,815,595.79x = 74,715,831,852,675.78
  5. Step 5: Solve for x
    x = 74,715,831,852,675.78/7,815,595.79
  6. Step 6: Final answer
    x = 9,559,838.29

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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.