Home / 20,673,727.98-30,991,428.68-9,153,055.91

Finding the Fourth Proportional to 20,673,727.98, 30,991,428.68 and 9,153,055.91

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Solution

The fourth proportional to 20,673,727.98, 30,991,428.68 and 9,153,055.91 is: 13,721,099.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,673,727.98 : 30,991,428.68 = 9,153,055.91 : x
  2. Step 2: Convert to fraction form
    20,673,727.98/30,991,428.68 = 9,153,055.91/x
  3. Step 3: Cross multiply
    20,673,727.98x = 30,991,428.68 × 9,153,055.91
  4. Step 4: Simplify right side
    20,673,727.98x = 283,666,279,238,095.06
  5. Step 5: Solve for x
    x = 283,666,279,238,095.06/20,673,727.98
  6. Step 6: Final answer
    x = 13,721,099.53

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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.