Home / 21,834,972-30,122,521.92-12,662,303.04

Finding the Fourth Proportional to 21,834,972, 30,122,521.92 and 12,662,303.04

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Solution

The fourth proportional to 21,834,972, 30,122,521.92 and 12,662,303.04 is: 17,468,330.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,834,972 : 30,122,521.92 = 12,662,303.04 : x
  2. Step 2: Convert to fraction form
    21,834,972/30,122,521.92 = 12,662,303.04/x
  3. Step 3: Cross multiply
    21,834,972x = 30,122,521.92 × 12,662,303.04
  4. Step 4: Simplify right side
    21,834,972x = 381,420,500,880,082.62
  5. Step 5: Solve for x
    x = 381,420,500,880,082.62/21,834,972
  6. Step 6: Final answer
    x = 17,468,330.20

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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.