Home / 9,197,511.76-12,692,957.88-5,123,129.68

Finding the Fourth Proportional to 9,197,511.76, 12,692,957.88 and 5,123,129.68

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Solution

The fourth proportional to 9,197,511.76, 12,692,957.88 and 5,123,129.68 is: 7,070,137.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,197,511.76 : 12,692,957.88 = 5,123,129.68 : x
  2. Step 2: Convert to fraction form
    9,197,511.76/12,692,957.88 = 5,123,129.68/x
  3. Step 3: Cross multiply
    9,197,511.76x = 12,692,957.88 × 5,123,129.68
  4. Step 4: Simplify right side
    9,197,511.76x = 65,027,669,242,017.88
  5. Step 5: Solve for x
    x = 65,027,669,242,017.88/9,197,511.76
  6. Step 6: Final answer
    x = 7,070,137.11

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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.