Home / 10,894,516.80-16,341,775.20-6,642,988.80

Finding the Fourth Proportional to 10,894,516.80, 16,341,775.20 and 6,642,988.80

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Solution

The fourth proportional to 10,894,516.80, 16,341,775.20 and 6,642,988.80 is: 9,964,483.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,894,516.80 : 16,341,775.20 = 6,642,988.80 : x
  2. Step 2: Convert to fraction form
    10,894,516.80/16,341,775.20 = 6,642,988.80/x
  3. Step 3: Cross multiply
    10,894,516.80x = 16,341,775.20 × 6,642,988.80
  4. Step 4: Simplify right side
    10,894,516.80x = 108,558,229,625,717.75
  5. Step 5: Solve for x
    x = 108,558,229,625,717.75/10,894,516.80
  6. Step 6: Final answer
    x = 9,964,483.20

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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.