Home / 7,866,930.76-10,857,032.80-4,429,841.56

Finding the Fourth Proportional to 7,866,930.76, 10,857,032.80 and 4,429,841.56

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Solution

The fourth proportional to 7,866,930.76, 10,857,032.80 and 4,429,841.56 is: 6,113,557.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,866,930.76 : 10,857,032.80 = 4,429,841.56 : x
  2. Step 2: Convert to fraction form
    7,866,930.76/10,857,032.80 = 4,429,841.56/x
  3. Step 3: Cross multiply
    7,866,930.76x = 10,857,032.80 × 4,429,841.56
  4. Step 4: Simplify right side
    7,866,930.76x = 48,094,935,115,723.16
  5. Step 5: Solve for x
    x = 48,094,935,115,723.16/7,866,930.76
  6. Step 6: Final answer
    x = 6,113,557.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.