Home / 8,908,812.40-13,391,212.20-8,740,850.80

Finding the Fourth Proportional to 8,908,812.40, 13,391,212.20 and 8,740,850.80

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Solution

The fourth proportional to 8,908,812.40, 13,391,212.20 and 8,740,850.80 is: 13,138,742.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,908,812.40 : 13,391,212.20 = 8,740,850.80 : x
  2. Step 2: Convert to fraction form
    8,908,812.40/13,391,212.20 = 8,740,850.80/x
  3. Step 3: Cross multiply
    8,908,812.40x = 13,391,212.20 × 8,740,850.80
  4. Step 4: Simplify right side
    8,908,812.40x = 117,050,587,871,339.77
  5. Step 5: Solve for x
    x = 117,050,587,871,339.77/8,908,812.40
  6. Step 6: Final answer
    x = 13,138,742.02

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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.