Home / 17,381,454.40-26,100,175.20-13,126,427.20

Finding the Fourth Proportional to 17,381,454.40, 26,100,175.20 and 13,126,427.20

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Solution

The fourth proportional to 17,381,454.40, 26,100,175.20 and 13,126,427.20 is: 19,710,781.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,381,454.40 : 26,100,175.20 = 13,126,427.20 : x
  2. Step 2: Convert to fraction form
    17,381,454.40/26,100,175.20 = 13,126,427.20/x
  3. Step 3: Cross multiply
    17,381,454.40x = 26,100,175.20 × 13,126,427.20
  4. Step 4: Simplify right side
    17,381,454.40x = 342,602,049,670,045.44
  5. Step 5: Solve for x
    x = 342,602,049,670,045.44/17,381,454.40
  6. Step 6: Final answer
    x = 19,710,781.49

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1.5x scale

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.