Home / 28,436,730.64-39,247,380.88-17,429,603.20

Finding the Fourth Proportional to 28,436,730.64, 39,247,380.88 and 17,429,603.20

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Solution

The fourth proportional to 28,436,730.64, 39,247,380.88 and 17,429,603.20 is: 24,055,728.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,436,730.64 : 39,247,380.88 = 17,429,603.20 : x
  2. Step 2: Convert to fraction form
    28,436,730.64/39,247,380.88 = 17,429,603.20/x
  3. Step 3: Cross multiply
    28,436,730.64x = 39,247,380.88 × 17,429,603.20
  4. Step 4: Simplify right side
    28,436,730.64x = 684,066,275,377,666.88
  5. Step 5: Solve for x
    x = 684,066,275,377,666.88/28,436,730.64
  6. Step 6: Final answer
    x = 24,055,728.63

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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.