Home / 12,898,472.97-19,347,071.78-4,810,818.57

Finding the Fourth Proportional to 12,898,472.97, 19,347,071.78 and 4,810,818.57

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Solution

The fourth proportional to 12,898,472.97, 19,347,071.78 and 4,810,818.57 is: 7,215,990.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,898,472.97 : 19,347,071.78 = 4,810,818.57 : x
  2. Step 2: Convert to fraction form
    12,898,472.97/19,347,071.78 = 4,810,818.57/x
  3. Step 3: Cross multiply
    12,898,472.97x = 19,347,071.78 × 4,810,818.57
  4. Step 4: Simplify right side
    12,898,472.97x = 93,075,252,170,292.86
  5. Step 5: Solve for x
    x = 93,075,252,170,292.86/12,898,472.97
  6. Step 6: Final answer
    x = 7,215,990.02

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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.