Home / 23,189,478.96-34,628,058.78-18,938,080.56

Finding the Fourth Proportional to 23,189,478.96, 34,628,058.78 and 18,938,080.56

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Solution

The fourth proportional to 23,189,478.96, 34,628,058.78 and 18,938,080.56 is: 28,279,590.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,189,478.96 : 34,628,058.78 = 18,938,080.56 : x
  2. Step 2: Convert to fraction form
    23,189,478.96/34,628,058.78 = 18,938,080.56/x
  3. Step 3: Cross multiply
    23,189,478.96x = 34,628,058.78 × 18,938,080.56
  4. Step 4: Simplify right side
    23,189,478.96x = 655,788,966,812,055.25
  5. Step 5: Solve for x
    x = 655,788,966,812,055.25/23,189,478.96
  6. Step 6: Final answer
    x = 28,279,590.41

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.