Home / 35,510,612.99-48,990,702.86-20,623,402.78

Finding the Fourth Proportional to 35,510,612.99, 48,990,702.86 and 20,623,402.78

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Solution

The fourth proportional to 35,510,612.99, 48,990,702.86 and 20,623,402.78 is: 28,452,198.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,510,612.99 : 48,990,702.86 = 20,623,402.78 : x
  2. Step 2: Convert to fraction form
    35,510,612.99/48,990,702.86 = 20,623,402.78/x
  3. Step 3: Cross multiply
    35,510,612.99x = 48,990,702.86 × 20,623,402.78
  4. Step 4: Simplify right side
    35,510,612.99x = 1,010,354,997,209,007.25
  5. Step 5: Solve for x
    x = 1,010,354,997,209,007.25/35,510,612.99
  6. Step 6: Final answer
    x = 28,452,198.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.