Home / 15,241,756.20-21,033,643.41-8,272,433.40

Finding the Fourth Proportional to 15,241,756.20, 21,033,643.41 and 8,272,433.40

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Solution

The fourth proportional to 15,241,756.20, 21,033,643.41 and 8,272,433.40 is: 11,415,968.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,241,756.20 : 21,033,643.41 = 8,272,433.40 : x
  2. Step 2: Convert to fraction form
    15,241,756.20/21,033,643.41 = 8,272,433.40/x
  3. Step 3: Cross multiply
    15,241,756.20x = 21,033,643.41 × 8,272,433.40
  4. Step 4: Simplify right side
    15,241,756.20x = 173,999,414,268,573.91
  5. Step 5: Solve for x
    x = 173,999,414,268,573.91/15,241,756.20
  6. Step 6: Final answer
    x = 11,415,968.87

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1.5x scale

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.