Home / 13,480,209.90-20,220,314.85-8,945,246.70

Finding the Fourth Proportional to 13,480,209.90, 20,220,314.85 and 8,945,246.70

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Solution

The fourth proportional to 13,480,209.90, 20,220,314.85 and 8,945,246.70 is: 13,417,870.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,480,209.90 : 20,220,314.85 = 8,945,246.70 : x
  2. Step 2: Convert to fraction form
    13,480,209.90/20,220,314.85 = 8,945,246.70/x
  3. Step 3: Cross multiply
    13,480,209.90x = 20,220,314.85 × 8,945,246.70
  4. Step 4: Simplify right side
    13,480,209.90x = 180,875,704,684,923.50
  5. Step 5: Solve for x
    x = 180,875,704,684,923.50/13,480,209.90
  6. Step 6: Final answer
    x = 13,417,870.05

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Double scale
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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.