Home / 18,937,475.28-28,407,058.07-5,805,948.33

Finding the Fourth Proportional to 18,937,475.28, 28,407,058.07 and 5,805,948.33

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Solution

The fourth proportional to 18,937,475.28, 28,407,058.07 and 5,805,948.33 is: 8,709,181.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,937,475.28 : 28,407,058.07 = 5,805,948.33 : x
  2. Step 2: Convert to fraction form
    18,937,475.28/28,407,058.07 = 5,805,948.33/x
  3. Step 3: Cross multiply
    18,937,475.28x = 28,407,058.07 × 5,805,948.33
  4. Step 4: Simplify right side
    18,937,475.28x = 164,929,911,332,699.78
  5. Step 5: Solve for x
    x = 164,929,911,332,699.78/18,937,475.28
  6. Step 6: Final answer
    x = 8,709,181.60

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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.