Home / 12,177,077.18-16,792,774.47-7,281,521.42

Finding the Fourth Proportional to 12,177,077.18, 16,792,774.47 and 7,281,521.42

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Solution

The fourth proportional to 12,177,077.18, 16,792,774.47 and 7,281,521.42 is: 10,041,567.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,177,077.18 : 16,792,774.47 = 7,281,521.42 : x
  2. Step 2: Convert to fraction form
    12,177,077.18/16,792,774.47 = 7,281,521.42/x
  3. Step 3: Cross multiply
    12,177,077.18x = 16,792,774.47 × 7,281,521.42
  4. Step 4: Simplify right side
    12,177,077.18x = 122,276,947,004,534.14
  5. Step 5: Solve for x
    x = 122,276,947,004,534.14/12,177,077.18
  6. Step 6: Final answer
    x = 10,041,567.87

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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.