Home / 20,360,697.07-28,098,343.49-12,413,698.12

Finding the Fourth Proportional to 20,360,697.07, 28,098,343.49 and 12,413,698.12

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Solution

The fourth proportional to 20,360,697.07, 28,098,343.49 and 12,413,698.12 is: 17,131,257.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,360,697.07 : 28,098,343.49 = 12,413,698.12 : x
  2. Step 2: Convert to fraction form
    20,360,697.07/28,098,343.49 = 12,413,698.12/x
  3. Step 3: Cross multiply
    20,360,697.07x = 28,098,343.49 × 12,413,698.12
  4. Step 4: Simplify right side
    20,360,697.07x = 348,804,353,756,927.19
  5. Step 5: Solve for x
    x = 348,804,353,756,927.19/20,360,697.07
  6. Step 6: Final answer
    x = 17,131,257.96

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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.