Home / 28,343,205.10-42,483,314.85-15,572,874.70

Finding the Fourth Proportional to 28,343,205.10, 42,483,314.85 and 15,572,874.70

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Solution

The fourth proportional to 28,343,205.10, 42,483,314.85 and 15,572,874.70 is: 23,342,008.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,343,205.10 : 42,483,314.85 = 15,572,874.70 : x
  2. Step 2: Convert to fraction form
    28,343,205.10/42,483,314.85 = 15,572,874.70/x
  3. Step 3: Cross multiply
    28,343,205.10x = 42,483,314.85 × 15,572,874.70
  4. Step 4: Simplify right side
    28,343,205.10x = 661,587,338,999,699.25
  5. Step 5: Solve for x
    x = 661,587,338,999,699.25/28,343,205.10
  6. Step 6: Final answer
    x = 23,342,008.66

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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.