Home / 12,117,237.60-18,144,363.60-9,576,818.40

Finding the Fourth Proportional to 12,117,237.60, 18,144,363.60 and 9,576,818.40

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Solution

The fourth proportional to 12,117,237.60, 18,144,363.60 and 9,576,818.40 is: 14,340,337.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,117,237.60 : 18,144,363.60 = 9,576,818.40 : x
  2. Step 2: Convert to fraction form
    12,117,237.60/18,144,363.60 = 9,576,818.40/x
  3. Step 3: Cross multiply
    12,117,237.60x = 18,144,363.60 × 9,576,818.40
  4. Step 4: Simplify right side
    12,117,237.60x = 173,765,275,180,770.25
  5. Step 5: Solve for x
    x = 173,765,275,180,770.25/12,117,237.60
  6. Step 6: Final answer
    x = 14,340,337.37

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1.5x scale

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.