Home / 12,147,389.29-16,763,596.46-7,253,039.08

Finding the Fourth Proportional to 12,147,389.29, 16,763,596.46 and 7,253,039.08

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Solution

The fourth proportional to 12,147,389.29, 16,763,596.46 and 7,253,039.08 is: 10,009,312.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,147,389.29 : 16,763,596.46 = 7,253,039.08 : x
  2. Step 2: Convert to fraction form
    12,147,389.29/16,763,596.46 = 7,253,039.08/x
  3. Step 3: Cross multiply
    12,147,389.29x = 16,763,596.46 × 7,253,039.08
  4. Step 4: Simplify right side
    12,147,389.29x = 121,587,020,245,729.67
  5. Step 5: Solve for x
    x = 121,587,020,245,729.67/12,147,389.29
  6. Step 6: Final answer
    x = 10,009,312.89

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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.