Home / 21,874,462.32-30,144,133.08-15,751,328.88

Finding the Fourth Proportional to 21,874,462.32, 30,144,133.08 and 15,751,328.88

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Solution

The fourth proportional to 21,874,462.32, 30,144,133.08 and 15,751,328.88 is: 21,706,140.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,874,462.32 : 30,144,133.08 = 15,751,328.88 : x
  2. Step 2: Convert to fraction form
    21,874,462.32/30,144,133.08 = 15,751,328.88/x
  3. Step 3: Cross multiply
    21,874,462.32x = 30,144,133.08 × 15,751,328.88
  4. Step 4: Simplify right side
    21,874,462.32x = 474,810,153,945,567.38
  5. Step 5: Solve for x
    x = 474,810,153,945,567.38/21,874,462.32
  6. Step 6: Final answer
    x = 21,706,140.57

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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.