Home / 12,923,562.49-17,834,516.31-7,122,344.31

Finding the Fourth Proportional to 12,923,562.49, 17,834,516.31 and 7,122,344.31

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Solution

The fourth proportional to 12,923,562.49, 17,834,516.31 and 7,122,344.31 is: 9,828,835.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,923,562.49 : 17,834,516.31 = 7,122,344.31 : x
  2. Step 2: Convert to fraction form
    12,923,562.49/17,834,516.31 = 7,122,344.31/x
  3. Step 3: Cross multiply
    12,923,562.49x = 17,834,516.31 × 7,122,344.31
  4. Step 4: Simplify right side
    12,923,562.49x = 127,023,565,788,839.47
  5. Step 5: Solve for x
    x = 127,023,565,788,839.47/12,923,562.49
  6. Step 6: Final answer
    x = 9,828,835.19

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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.