Home / 28,375,889.15-42,467,294.59-17,440,312.77

Finding the Fourth Proportional to 28,375,889.15, 42,467,294.59 and 17,440,312.77

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Solution

The fourth proportional to 28,375,889.15, 42,467,294.59 and 17,440,312.77 is: 26,101,134.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,375,889.15 : 42,467,294.59 = 17,440,312.77 : x
  2. Step 2: Convert to fraction form
    28,375,889.15/42,467,294.59 = 17,440,312.77/x
  3. Step 3: Cross multiply
    28,375,889.15x = 42,467,294.59 × 17,440,312.77
  4. Step 4: Simplify right side
    28,375,889.15x = 740,642,900,101,728.12
  5. Step 5: Solve for x
    x = 740,642,900,101,728.12/28,375,889.15
  6. Step 6: Final answer
    x = 26,101,134.53

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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.