Home / 15,299,744.32-21,113,697.12-8,330,504.32

Finding the Fourth Proportional to 15,299,744.32, 21,113,697.12 and 8,330,504.32

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Solution

The fourth proportional to 15,299,744.32, 21,113,697.12 and 8,330,504.32 is: 11,496,123.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,299,744.32 : 21,113,697.12 = 8,330,504.32 : x
  2. Step 2: Convert to fraction form
    15,299,744.32/21,113,697.12 = 8,330,504.32/x
  3. Step 3: Cross multiply
    15,299,744.32x = 21,113,697.12 × 8,330,504.32
  4. Step 4: Simplify right side
    15,299,744.32x = 175,887,745,069,331.56
  5. Step 5: Solve for x
    x = 175,887,745,069,331.56/15,299,744.32
  6. Step 6: Final answer
    x = 11,496,123.16

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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.