Home / 21,852,562.40-32,778,843.60-20,732,818.40

Finding the Fourth Proportional to 21,852,562.40, 32,778,843.60 and 20,732,818.40

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Solution

The fourth proportional to 21,852,562.40, 32,778,843.60 and 20,732,818.40 is: 31,099,227.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,852,562.40 : 32,778,843.60 = 20,732,818.40 : x
  2. Step 2: Convert to fraction form
    21,852,562.40/32,778,843.60 = 20,732,818.40/x
  3. Step 3: Cross multiply
    21,852,562.40x = 32,778,843.60 × 20,732,818.40
  4. Step 4: Simplify right side
    21,852,562.40x = 679,597,811,720,802.25
  5. Step 5: Solve for x
    x = 679,597,811,720,802.25/21,852,562.40
  6. Step 6: Final answer
    x = 31,099,227.60

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1.5x scale

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.