Home / 20,599,281.36-28,424,105.28-12,337,408.80

Finding the Fourth Proportional to 20,599,281.36, 28,424,105.28 and 12,337,408.80

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Solution

The fourth proportional to 20,599,281.36, 28,424,105.28 and 12,337,408.80 is: 17,023,885.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,599,281.36 : 28,424,105.28 = 12,337,408.80 : x
  2. Step 2: Convert to fraction form
    20,599,281.36/28,424,105.28 = 12,337,408.80/x
  3. Step 3: Cross multiply
    20,599,281.36x = 28,424,105.28 × 12,337,408.80
  4. Step 4: Simplify right side
    20,599,281.36x = 350,679,806,613,598.50
  5. Step 5: Solve for x
    x = 350,679,806,613,598.50/20,599,281.36
  6. Step 6: Final answer
    x = 17,023,885.47

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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.