Home / 12,096,298.40-18,144,447.60-7,309,392.80

Finding the Fourth Proportional to 12,096,298.40, 18,144,447.60 and 7,309,392.80

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Solution

The fourth proportional to 12,096,298.40, 18,144,447.60 and 7,309,392.80 is: 10,964,089.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,096,298.40 : 18,144,447.60 = 7,309,392.80 : x
  2. Step 2: Convert to fraction form
    12,096,298.40/18,144,447.60 = 7,309,392.80/x
  3. Step 3: Cross multiply
    12,096,298.40x = 18,144,447.60 × 7,309,392.80
  4. Step 4: Simplify right side
    12,096,298.40x = 132,624,894,647,417.28
  5. Step 5: Solve for x
    x = 132,624,894,647,417.28/12,096,298.40
  6. Step 6: Final answer
    x = 10,964,089.20

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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.