Home / 30,343,781.80-45,515,672.70-17,376,621.40

Finding the Fourth Proportional to 30,343,781.80, 45,515,672.70 and 17,376,621.40

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Solution

The fourth proportional to 30,343,781.80, 45,515,672.70 and 17,376,621.40 is: 26,064,932.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,343,781.80 : 45,515,672.70 = 17,376,621.40 : x
  2. Step 2: Convert to fraction form
    30,343,781.80/45,515,672.70 = 17,376,621.40/x
  3. Step 3: Cross multiply
    30,343,781.80x = 45,515,672.70 × 17,376,621.40
  4. Step 4: Simplify right side
    30,343,781.80x = 790,908,612,274,215.75
  5. Step 5: Solve for x
    x = 790,908,612,274,215.75/30,343,781.80
  6. Step 6: Final answer
    x = 26,064,932.10

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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.