Home / 12,793,595.60-19,181,062.20-5,216,661.20

Finding the Fourth Proportional to 12,793,595.60, 19,181,062.20 and 5,216,661.20

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Solution

The fourth proportional to 12,793,595.60, 19,181,062.20 and 5,216,661.20 is: 7,821,186.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,793,595.60 : 19,181,062.20 = 5,216,661.20 : x
  2. Step 2: Convert to fraction form
    12,793,595.60/19,181,062.20 = 5,216,661.20/x
  3. Step 3: Cross multiply
    12,793,595.60x = 19,181,062.20 × 5,216,661.20
  4. Step 4: Simplify right side
    12,793,595.60x = 100,061,102,953,526.64
  5. Step 5: Solve for x
    x = 100,061,102,953,526.64/12,793,595.60
  6. Step 6: Final answer
    x = 7,821,186.95

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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.