Home / 9,151,209.20-12,623,421.84-5,707,471.52

Finding the Fourth Proportional to 9,151,209.20, 12,623,421.84 and 5,707,471.52

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Solution

The fourth proportional to 9,151,209.20, 12,623,421.84 and 5,707,471.52 is: 7,873,038.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,151,209.20 : 12,623,421.84 = 5,707,471.52 : x
  2. Step 2: Convert to fraction form
    9,151,209.20/12,623,421.84 = 5,707,471.52/x
  3. Step 3: Cross multiply
    9,151,209.20x = 12,623,421.84 × 5,707,471.52
  4. Step 4: Simplify right side
    9,151,209.20x = 72,047,820,636,745.98
  5. Step 5: Solve for x
    x = 72,047,820,636,745.98/9,151,209.20
  6. Step 6: Final answer
    x = 7,873,038.31

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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.