Home / 20,336,889.34-30,506,383.77-5,190,952.06

Finding the Fourth Proportional to 20,336,889.34, 30,506,383.77 and 5,190,952.06

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Solution

The fourth proportional to 20,336,889.34, 30,506,383.77 and 5,190,952.06 is: 7,786,696.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,336,889.34 : 30,506,383.77 = 5,190,952.06 : x
  2. Step 2: Convert to fraction form
    20,336,889.34/30,506,383.77 = 5,190,952.06/x
  3. Step 3: Cross multiply
    20,336,889.34x = 30,506,383.77 × 5,190,952.06
  4. Step 4: Simplify right side
    20,336,889.34x = 158,357,175,674,032.06
  5. Step 5: Solve for x
    x = 158,357,175,674,032.06/20,336,889.34
  6. Step 6: Final answer
    x = 7,786,696.04

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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.