Home / 8,982,531.40-13,486,238.70-7,091,408.20

Finding the Fourth Proportional to 8,982,531.40, 13,486,238.70 and 7,091,408.20

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Solution

The fourth proportional to 8,982,531.40, 13,486,238.70 and 7,091,408.20 is: 10,646,934.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,982,531.40 : 13,486,238.70 = 7,091,408.20 : x
  2. Step 2: Convert to fraction form
    8,982,531.40/13,486,238.70 = 7,091,408.20/x
  3. Step 3: Cross multiply
    8,982,531.40x = 13,486,238.70 × 7,091,408.20
  4. Step 4: Simplify right side
    8,982,531.40x = 95,636,423,704,337.34
  5. Step 5: Solve for x
    x = 95,636,423,704,337.34/8,982,531.40
  6. Step 6: Final answer
    x = 10,646,934.53

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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.