Home / 21,546,095.70-32,319,143.55-19,782,498.90

Finding the Fourth Proportional to 21,546,095.70, 32,319,143.55 and 19,782,498.90

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Solution

The fourth proportional to 21,546,095.70, 32,319,143.55 and 19,782,498.90 is: 29,673,748.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,546,095.70 : 32,319,143.55 = 19,782,498.90 : x
  2. Step 2: Convert to fraction form
    21,546,095.70/32,319,143.55 = 19,782,498.90/x
  3. Step 3: Cross multiply
    21,546,095.70x = 32,319,143.55 × 19,782,498.90
  4. Step 4: Simplify right side
    21,546,095.70x = 639,353,421,726,817
  5. Step 5: Solve for x
    x = 639,353,421,726,817/21,546,095.70
  6. Step 6: Final answer
    x = 29,673,748.35

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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.