Home / 15,444,681.36-21,313,663.56-8,569,147.20

Finding the Fourth Proportional to 15,444,681.36, 21,313,663.56 and 8,569,147.20

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Solution

The fourth proportional to 15,444,681.36, 21,313,663.56 and 8,569,147.20 is: 11,825,424.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,444,681.36 : 21,313,663.56 = 8,569,147.20 : x
  2. Step 2: Convert to fraction form
    15,444,681.36/21,313,663.56 = 8,569,147.20/x
  3. Step 3: Cross multiply
    15,444,681.36x = 21,313,663.56 × 8,569,147.20
  4. Step 4: Simplify right side
    15,444,681.36x = 182,639,920,416,916
  5. Step 5: Solve for x
    x = 182,639,920,416,916/15,444,681.36
  6. Step 6: Final answer
    x = 11,825,424.96

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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.