Home / 12,020,195.76-17,943,256.68-10,565,749.71

Finding the Fourth Proportional to 12,020,195.76, 17,943,256.68 and 10,565,749.71

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Solution

The fourth proportional to 12,020,195.76, 17,943,256.68 and 10,565,749.71 is: 15,772,119.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,020,195.76 : 17,943,256.68 = 10,565,749.71 : x
  2. Step 2: Convert to fraction form
    12,020,195.76/17,943,256.68 = 10,565,749.71/x
  3. Step 3: Cross multiply
    12,020,195.76x = 17,943,256.68 × 10,565,749.71
  4. Step 4: Simplify right side
    12,020,195.76x = 189,583,959,063,165.56
  5. Step 5: Solve for x
    x = 189,583,959,063,165.56/12,020,195.76
  6. Step 6: Final answer
    x = 15,772,119.09

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.