Home / 20,508,020.10-30,762,030.15-17,173,671.30

Finding the Fourth Proportional to 20,508,020.10, 30,762,030.15 and 17,173,671.30

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Solution

The fourth proportional to 20,508,020.10, 30,762,030.15 and 17,173,671.30 is: 25,760,506.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,508,020.10 : 30,762,030.15 = 17,173,671.30 : x
  2. Step 2: Convert to fraction form
    20,508,020.10/30,762,030.15 = 17,173,671.30/x
  3. Step 3: Cross multiply
    20,508,020.10x = 30,762,030.15 × 17,173,671.30
  4. Step 4: Simplify right side
    20,508,020.10x = 528,296,994,316,789.69
  5. Step 5: Solve for x
    x = 528,296,994,316,789.69/20,508,020.10
  6. Step 6: Final answer
    x = 25,760,506.95

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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.