Home / 22,403,953.60-33,531,280.80-20,612,363.20

Finding the Fourth Proportional to 22,403,953.60, 33,531,280.80 and 20,612,363.20

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Solution

The fourth proportional to 22,403,953.60, 33,531,280.80 and 20,612,363.20 is: 30,849,864.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,403,953.60 : 33,531,280.80 = 20,612,363.20 : x
  2. Step 2: Convert to fraction form
    22,403,953.60/33,531,280.80 = 20,612,363.20/x
  3. Step 3: Cross multiply
    22,403,953.60x = 33,531,280.80 × 20,612,363.20
  4. Step 4: Simplify right side
    22,403,953.60x = 691,158,938,410,786.50
  5. Step 5: Solve for x
    x = 691,158,938,410,786.50/22,403,953.60
  6. Step 6: Final answer
    x = 30,849,864.75

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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.