Home / 20,259,046.68-30,369,948.12-7,302,026.76

Finding the Fourth Proportional to 20,259,046.68, 30,369,948.12 and 7,302,026.76

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Solution

The fourth proportional to 20,259,046.68, 30,369,948.12 and 7,302,026.76 is: 10,946,328.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,259,046.68 : 30,369,948.12 = 7,302,026.76 : x
  2. Step 2: Convert to fraction form
    20,259,046.68/30,369,948.12 = 7,302,026.76/x
  3. Step 3: Cross multiply
    20,259,046.68x = 30,369,948.12 × 7,302,026.76
  4. Step 4: Simplify right side
    20,259,046.68x = 221,762,173,872,051.69
  5. Step 5: Solve for x
    x = 221,762,173,872,051.69/20,259,046.68
  6. Step 6: Final answer
    x = 10,946,328.19

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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.