Home / 42,444,007.20-63,666,010.80-15,528,160.80

Finding the Fourth Proportional to 42,444,007.20, 63,666,010.80 and 15,528,160.80

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Solution

The fourth proportional to 42,444,007.20, 63,666,010.80 and 15,528,160.80 is: 23,292,241.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,444,007.20 : 63,666,010.80 = 15,528,160.80 : x
  2. Step 2: Convert to fraction form
    42,444,007.20/63,666,010.80 = 15,528,160.80/x
  3. Step 3: Cross multiply
    42,444,007.20x = 63,666,010.80 × 15,528,160.80
  4. Step 4: Simplify right side
    42,444,007.20x = 988,616,053,196,936.62
  5. Step 5: Solve for x
    x = 988,616,053,196,936.62/42,444,007.20
  6. Step 6: Final answer
    x = 23,292,241.20

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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.