Home / 15,228,125.44-21,014,756.88-9,425,752

Finding the Fourth Proportional to 15,228,125.44, 21,014,756.88 and 9,425,752

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Solution

The fourth proportional to 15,228,125.44, 21,014,756.88 and 9,425,752 is: 13,007,502.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,228,125.44 : 21,014,756.88 = 9,425,752 : x
  2. Step 2: Convert to fraction form
    15,228,125.44/21,014,756.88 = 9,425,752/x
  3. Step 3: Cross multiply
    15,228,125.44x = 21,014,756.88 × 9,425,752
  4. Step 4: Simplify right side
    15,228,125.44x = 198,079,886,691,173.75
  5. Step 5: Solve for x
    x = 198,079,886,691,173.75/15,228,125.44
  6. Step 6: Final answer
    x = 13,007,502.96

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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.