Home / 21,852,092.40-32,778,138.60-11,648,425.20

Finding the Fourth Proportional to 21,852,092.40, 32,778,138.60 and 11,648,425.20

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Solution

The fourth proportional to 21,852,092.40, 32,778,138.60 and 11,648,425.20 is: 17,472,637.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,852,092.40 : 32,778,138.60 = 11,648,425.20 : x
  2. Step 2: Convert to fraction form
    21,852,092.40/32,778,138.60 = 11,648,425.20/x
  3. Step 3: Cross multiply
    21,852,092.40x = 32,778,138.60 × 11,648,425.20
  4. Step 4: Simplify right side
    21,852,092.40x = 381,813,695,677,332.69
  5. Step 5: Solve for x
    x = 381,813,695,677,332.69/21,852,092.40
  6. Step 6: Final answer
    x = 17,472,637.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.