Home / 8,921,320.40-13,392,478.20-8,858,334.80

Finding the Fourth Proportional to 8,921,320.40, 13,392,478.20 and 8,858,334.80

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Solution

The fourth proportional to 8,921,320.40, 13,392,478.20 and 8,858,334.80 is: 13,297,925.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,921,320.40 : 13,392,478.20 = 8,858,334.80 : x
  2. Step 2: Convert to fraction form
    8,921,320.40/13,392,478.20 = 8,858,334.80/x
  3. Step 3: Cross multiply
    8,921,320.40x = 13,392,478.20 × 8,858,334.80
  4. Step 4: Simplify right side
    8,921,320.40x = 118,635,055,697,301.36
  5. Step 5: Solve for x
    x = 118,635,055,697,301.36/8,921,320.40
  6. Step 6: Final answer
    x = 13,297,925.69

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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.