Home / 21,668,616.72-32,480,008.56-8,012,988.72

Finding the Fourth Proportional to 21,668,616.72, 32,480,008.56 and 8,012,988.72

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Solution

The fourth proportional to 21,668,616.72, 32,480,008.56 and 8,012,988.72 is: 12,011,008.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,668,616.72 : 32,480,008.56 = 8,012,988.72 : x
  2. Step 2: Convert to fraction form
    21,668,616.72/32,480,008.56 = 8,012,988.72/x
  3. Step 3: Cross multiply
    21,668,616.72x = 32,480,008.56 × 8,012,988.72
  4. Step 4: Simplify right side
    21,668,616.72x = 260,261,942,216,783.44
  5. Step 5: Solve for x
    x = 260,261,942,216,783.44/21,668,616.72
  6. Step 6: Final answer
    x = 12,011,008.62

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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.