Home / 28,023,008.70-42,034,513.05-16,685,600.70

Finding the Fourth Proportional to 28,023,008.70, 42,034,513.05 and 16,685,600.70

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Solution

The fourth proportional to 28,023,008.70, 42,034,513.05 and 16,685,600.70 is: 25,028,401.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,023,008.70 : 42,034,513.05 = 16,685,600.70 : x
  2. Step 2: Convert to fraction form
    28,023,008.70/42,034,513.05 = 16,685,600.70/x
  3. Step 3: Cross multiply
    28,023,008.70x = 42,034,513.05 × 16,685,600.70
  4. Step 4: Simplify right side
    28,023,008.70x = 701,371,100,371,239
  5. Step 5: Solve for x
    x = 701,371,100,371,239/28,023,008.70
  6. Step 6: Final answer
    x = 25,028,401.05

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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.