Home / 28,292,612.24-42,455,386.20-11,896,711.04

Finding the Fourth Proportional to 28,292,612.24, 42,455,386.20 and 11,896,711.04

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Solution

The fourth proportional to 28,292,612.24, 42,455,386.20 and 11,896,711.04 is: 17,851,991.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,292,612.24 : 42,455,386.20 = 11,896,711.04 : x
  2. Step 2: Convert to fraction form
    28,292,612.24/42,455,386.20 = 11,896,711.04/x
  3. Step 3: Cross multiply
    28,292,612.24x = 42,455,386.20 × 11,896,711.04
  4. Step 4: Simplify right side
    28,292,612.24x = 505,079,461,713,003.62
  5. Step 5: Solve for x
    x = 505,079,461,713,003.62/28,292,612.24
  6. Step 6: Final answer
    x = 17,851,991.09

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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.