Home / 12,758,389.48-19,127,538.78-6,365,353.96

Finding the Fourth Proportional to 12,758,389.48, 19,127,538.78 and 6,365,353.96

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Solution

The fourth proportional to 12,758,389.48, 19,127,538.78 and 6,365,353.96 is: 9,543,019.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,758,389.48 : 19,127,538.78 = 6,365,353.96 : x
  2. Step 2: Convert to fraction form
    12,758,389.48/19,127,538.78 = 6,365,353.96/x
  3. Step 3: Cross multiply
    12,758,389.48x = 19,127,538.78 × 6,365,353.96
  4. Step 4: Simplify right side
    12,758,389.48x = 121,753,554,718,326.58
  5. Step 5: Solve for x
    x = 121,753,554,718,326.58/12,758,389.48
  6. Step 6: Final answer
    x = 9,543,019.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.