Home / 12,605,154.42-18,912,496.83-4,934,281.47

Finding the Fourth Proportional to 12,605,154.42, 18,912,496.83 and 4,934,281.47

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Solution

The fourth proportional to 12,605,154.42, 18,912,496.83 and 4,934,281.47 is: 7,403,287.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,605,154.42 : 18,912,496.83 = 4,934,281.47 : x
  2. Step 2: Convert to fraction form
    12,605,154.42/18,912,496.83 = 4,934,281.47/x
  3. Step 3: Cross multiply
    12,605,154.42x = 18,912,496.83 × 4,934,281.47
  4. Step 4: Simplify right side
    12,605,154.42x = 93,319,582,659,702.72
  5. Step 5: Solve for x
    x = 93,319,582,659,702.72/12,605,154.42
  6. Step 6: Final answer
    x = 7,403,287.54

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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.