Home / 15,411,016.55-21,264,703.74-9,218,622.03

Finding the Fourth Proportional to 15,411,016.55, 21,264,703.74 and 9,218,622.03

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Solution

The fourth proportional to 15,411,016.55, 21,264,703.74 and 9,218,622.03 is: 12,720,203.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,411,016.55 : 21,264,703.74 = 9,218,622.03 : x
  2. Step 2: Convert to fraction form
    15,411,016.55/21,264,703.74 = 9,218,622.03/x
  3. Step 3: Cross multiply
    15,411,016.55x = 21,264,703.74 × 9,218,622.03
  4. Step 4: Simplify right side
    15,411,016.55x = 196,031,266,358,987.38
  5. Step 5: Solve for x
    x = 196,031,266,358,987.38/15,411,016.55
  6. Step 6: Final answer
    x = 12,720,203.48

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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.