Home / 12,605,132.66-18,912,464.21-4,934,259.72

Finding the Fourth Proportional to 12,605,132.66, 18,912,464.21 and 4,934,259.72

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Solution

The fourth proportional to 12,605,132.66, 18,912,464.21 and 4,934,259.72 is: 7,403,254.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,605,132.66 : 18,912,464.21 = 4,934,259.72 : x
  2. Step 2: Convert to fraction form
    12,605,132.66/18,912,464.21 = 4,934,259.72/x
  3. Step 3: Cross multiply
    12,605,132.66x = 18,912,464.21 × 4,934,259.72
  4. Step 4: Simplify right side
    12,605,132.66x = 93,319,010,369,680.27
  5. Step 5: Solve for x
    x = 93,319,010,369,680.27/12,605,132.66
  6. Step 6: Final answer
    x = 7,403,254.92

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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.