Home / 21,344,220-29,455,017.38-11,554,656.93

Finding the Fourth Proportional to 21,344,220, 29,455,017.38 and 11,554,656.93

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Solution

The fourth proportional to 21,344,220, 29,455,017.38 and 11,554,656.93 is: 15,945,423.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,344,220 : 29,455,017.38 = 11,554,656.93 : x
  2. Step 2: Convert to fraction form
    21,344,220/29,455,017.38 = 11,554,656.93/x
  3. Step 3: Cross multiply
    21,344,220x = 29,455,017.38 × 11,554,656.93
  4. Step 4: Simplify right side
    21,344,220x = 340,342,620,693,087.44
  5. Step 5: Solve for x
    x = 340,342,620,693,087.44/21,344,220
  6. Step 6: Final answer
    x = 15,945,423.20

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1.5x scale

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.