Home / 13,270,905-18,310,699.62-7,468,531.56

Finding the Fourth Proportional to 13,270,905, 18,310,699.62 and 7,468,531.56

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Solution

The fourth proportional to 13,270,905, 18,310,699.62 and 7,468,531.56 is: 10,304,801.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,270,905 : 18,310,699.62 = 7,468,531.56 : x
  2. Step 2: Convert to fraction form
    13,270,905/18,310,699.62 = 7,468,531.56/x
  3. Step 3: Cross multiply
    13,270,905x = 18,310,699.62 × 7,468,531.56
  4. Step 4: Simplify right side
    13,270,905x = 136,754,037,997,650
  5. Step 5: Solve for x
    x = 136,754,037,997,650/13,270,905
  6. Step 6: Final answer
    x = 10,304,801.22

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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.