Home / 12,631,348.65-17,431,248.81-6,830,116.56

Finding the Fourth Proportional to 12,631,348.65, 17,431,248.81 and 6,830,116.56

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Solution

The fourth proportional to 12,631,348.65, 17,431,248.81 and 6,830,116.56 is: 9,425,554.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,631,348.65 : 17,431,248.81 = 6,830,116.56 : x
  2. Step 2: Convert to fraction form
    12,631,348.65/17,431,248.81 = 6,830,116.56/x
  3. Step 3: Cross multiply
    12,631,348.65x = 17,431,248.81 × 6,830,116.56
  4. Step 4: Simplify right side
    12,631,348.65x = 119,057,461,158,661.28
  5. Step 5: Solve for x
    x = 119,057,461,158,661.28/12,631,348.65
  6. Step 6: Final answer
    x = 9,425,554.19

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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.