Home / 21,678,345-32,530,114.68-9,711,081

Finding the Fourth Proportional to 21,678,345, 32,530,114.68 and 9,711,081

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Solution

The fourth proportional to 21,678,345, 32,530,114.68 and 9,711,081 is: 14,572,264.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,678,345 : 32,530,114.68 = 9,711,081 : x
  2. Step 2: Convert to fraction form
    21,678,345/32,530,114.68 = 9,711,081/x
  3. Step 3: Cross multiply
    21,678,345x = 32,530,114.68 × 9,711,081
  4. Step 4: Simplify right side
    21,678,345x = 315,902,578,596,769.06
  5. Step 5: Solve for x
    x = 315,902,578,596,769.06/21,678,345
  6. Step 6: Final answer
    x = 14,572,264.56

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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.