Home / 21,098,443.95-31,653,347.13-10,857,723.57

Finding the Fourth Proportional to 21,098,443.95, 31,653,347.13 and 10,857,723.57

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Solution

The fourth proportional to 21,098,443.95, 31,653,347.13 and 10,857,723.57 is: 16,289,509.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,098,443.95 : 31,653,347.13 = 10,857,723.57 : x
  2. Step 2: Convert to fraction form
    21,098,443.95/31,653,347.13 = 10,857,723.57/x
  3. Step 3: Cross multiply
    21,098,443.95x = 31,653,347.13 × 10,857,723.57
  4. Step 4: Simplify right side
    21,098,443.95x = 343,683,293,202,792.88
  5. Step 5: Solve for x
    x = 343,683,293,202,792.88/21,098,443.95
  6. Step 6: Final answer
    x = 16,289,509.03

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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.