Home / 10,679,905.65-14,738,340.56-5,785,127.74

Finding the Fourth Proportional to 10,679,905.65, 14,738,340.56 and 5,785,127.74

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Solution

The fourth proportional to 10,679,905.65, 14,738,340.56 and 5,785,127.74 is: 7,983,514.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,679,905.65 : 14,738,340.56 = 5,785,127.74 : x
  2. Step 2: Convert to fraction form
    10,679,905.65/14,738,340.56 = 5,785,127.74/x
  3. Step 3: Cross multiply
    10,679,905.65x = 14,738,340.56 × 5,785,127.74
  4. Step 4: Simplify right side
    10,679,905.65x = 85,263,182,778,377.28
  5. Step 5: Solve for x
    x = 85,263,182,778,377.28/10,679,905.65
  6. Step 6: Final answer
    x = 7,983,514.61

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1.5x scale

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.