Home / 15,406,424.03-21,283,010.90-12,304,875.31

Finding the Fourth Proportional to 15,406,424.03, 21,283,010.90 and 12,304,875.31

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Solution

The fourth proportional to 15,406,424.03, 21,283,010.90 and 12,304,875.31 is: 16,998,415.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,406,424.03 : 21,283,010.90 = 12,304,875.31 : x
  2. Step 2: Convert to fraction form
    15,406,424.03/21,283,010.90 = 12,304,875.31/x
  3. Step 3: Cross multiply
    15,406,424.03x = 21,283,010.90 × 12,304,875.31
  4. Step 4: Simplify right side
    15,406,424.03x = 261,884,795,345,870.88
  5. Step 5: Solve for x
    x = 261,884,795,345,870.88/15,406,424.03
  6. Step 6: Final answer
    x = 16,998,415.39

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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.