Home / 12,412,602.33-17,128,959.92-6,830,327.21

Finding the Fourth Proportional to 12,412,602.33, 17,128,959.92 and 6,830,327.21

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Solution

The fourth proportional to 12,412,602.33, 17,128,959.92 and 6,830,327.21 is: 9,425,614.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,412,602.33 : 17,128,959.92 = 6,830,327.21 : x
  2. Step 2: Convert to fraction form
    12,412,602.33/17,128,959.92 = 6,830,327.21/x
  3. Step 3: Cross multiply
    12,412,602.33x = 17,128,959.92 × 6,830,327.21
  4. Step 4: Simplify right side
    12,412,602.33x = 116,996,400,900,778.98
  5. Step 5: Solve for x
    x = 116,996,400,900,778.98/12,412,602.33
  6. Step 6: Final answer
    x = 9,425,614.21

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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.