Home / 31,169,114.70-43,013,252.79-17,418,075.18

Finding the Fourth Proportional to 31,169,114.70, 43,013,252.79 and 17,418,075.18

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Solution

The fourth proportional to 31,169,114.70, 43,013,252.79 and 17,418,075.18 is: 24,036,873.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,169,114.70 : 43,013,252.79 = 17,418,075.18 : x
  2. Step 2: Convert to fraction form
    31,169,114.70/43,013,252.79 = 17,418,075.18/x
  3. Step 3: Cross multiply
    31,169,114.70x = 43,013,252.79 × 17,418,075.18
  4. Step 4: Simplify right side
    31,169,114.70x = 749,208,070,832,564.75
  5. Step 5: Solve for x
    x = 749,208,070,832,564.75/31,169,114.70
  6. Step 6: Final answer
    x = 24,036,873.62

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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.