Home / 37,155,986.51-51,275,380.19-20,636,108.10

Finding the Fourth Proportional to 37,155,986.51, 51,275,380.19 and 20,636,108.10

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Solution

The fourth proportional to 37,155,986.51, 51,275,380.19 and 20,636,108.10 is: 28,477,895.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,155,986.51 : 51,275,380.19 = 20,636,108.10 : x
  2. Step 2: Convert to fraction form
    37,155,986.51/51,275,380.19 = 20,636,108.10/x
  3. Step 3: Cross multiply
    37,155,986.51x = 51,275,380.19 × 20,636,108.10
  4. Step 4: Simplify right side
    37,155,986.51x = 1,058,124,288,366,258.12
  5. Step 5: Solve for x
    x = 1,058,124,288,366,258.12/37,155,986.51
  6. Step 6: Final answer
    x = 28,477,895.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.