Home / 13,408,038.30-20,112,057.45-4,888,652.70

Finding the Fourth Proportional to 13,408,038.30, 20,112,057.45 and 4,888,652.70

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Solution

The fourth proportional to 13,408,038.30, 20,112,057.45 and 4,888,652.70 is: 7,332,979.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,408,038.30 : 20,112,057.45 = 4,888,652.70 : x
  2. Step 2: Convert to fraction form
    13,408,038.30/20,112,057.45 = 4,888,652.70/x
  3. Step 3: Cross multiply
    13,408,038.30x = 20,112,057.45 × 4,888,652.70
  4. Step 4: Simplify right side
    13,408,038.30x = 98,320,863,955,497.61
  5. Step 5: Solve for x
    x = 98,320,863,955,497.61/13,408,038.30
  6. Step 6: Final answer
    x = 7,332,979.05

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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.