Home / 15,631,437.48-21,572,071.20-8,662,095.36

Finding the Fourth Proportional to 15,631,437.48, 21,572,071.20 and 8,662,095.36

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Solution

The fourth proportional to 15,631,437.48, 21,572,071.20 and 8,662,095.36 is: 11,954,072.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,631,437.48 : 21,572,071.20 = 8,662,095.36 : x
  2. Step 2: Convert to fraction form
    15,631,437.48/21,572,071.20 = 8,662,095.36/x
  3. Step 3: Cross multiply
    15,631,437.48x = 21,572,071.20 × 8,662,095.36
  4. Step 4: Simplify right side
    15,631,437.48x = 186,859,337,847,109.62
  5. Step 5: Solve for x
    x = 186,859,337,847,109.62/15,631,437.48
  6. Step 6: Final answer
    x = 11,954,072.56

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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.