Home / 12,459,701.60-18,689,552.40-8,204,674.40

Finding the Fourth Proportional to 12,459,701.60, 18,689,552.40 and 8,204,674.40

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Solution

The fourth proportional to 12,459,701.60, 18,689,552.40 and 8,204,674.40 is: 12,307,011.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,459,701.60 : 18,689,552.40 = 8,204,674.40 : x
  2. Step 2: Convert to fraction form
    12,459,701.60/18,689,552.40 = 8,204,674.40/x
  3. Step 3: Cross multiply
    12,459,701.60x = 18,689,552.40 × 8,204,674.40
  4. Step 4: Simplify right side
    12,459,701.60x = 153,341,692,123,738.56
  5. Step 5: Solve for x
    x = 153,341,692,123,738.56/12,459,701.60
  6. Step 6: Final answer
    x = 12,307,011.60

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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.