Home / 15,409,058.28-21,263,742.67-8,439,766.24

Finding the Fourth Proportional to 15,409,058.28, 21,263,742.67 and 8,439,766.24

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Solution

The fourth proportional to 15,409,058.28, 21,263,742.67 and 8,439,766.24 is: 11,646,462.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,409,058.28 : 21,263,742.67 = 8,439,766.24 : x
  2. Step 2: Convert to fraction form
    15,409,058.28/21,263,742.67 = 8,439,766.24/x
  3. Step 3: Cross multiply
    15,409,058.28x = 21,263,742.67 × 8,439,766.24
  4. Step 4: Simplify right side
    15,409,058.28x = 179,461,017,522,313.47
  5. Step 5: Solve for x
    x = 179,461,017,522,313.47/15,409,058.28
  6. Step 6: Final answer
    x = 11,646,462.38

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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.