Home / 20,085,204.59-30,102,590.93-10,862,809.46

Finding the Fourth Proportional to 20,085,204.59, 30,102,590.93 and 10,862,809.46

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Solution

The fourth proportional to 20,085,204.59, 30,102,590.93 and 10,862,809.46 is: 16,280,576.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,085,204.59 : 30,102,590.93 = 10,862,809.46 : x
  2. Step 2: Convert to fraction form
    20,085,204.59/30,102,590.93 = 10,862,809.46/x
  3. Step 3: Cross multiply
    20,085,204.59x = 30,102,590.93 × 10,862,809.46
  4. Step 4: Simplify right side
    20,085,204.59x = 326,998,709,432,971.94
  5. Step 5: Solve for x
    x = 326,998,709,432,971.94/20,085,204.59
  6. Step 6: Final answer
    x = 16,280,576.48

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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.