Home / 28,056,859.20-42,085,288.80-26,497,965.60

Finding the Fourth Proportional to 28,056,859.20, 42,085,288.80 and 26,497,965.60

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Solution

The fourth proportional to 28,056,859.20, 42,085,288.80 and 26,497,965.60 is: 39,746,948.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,056,859.20 : 42,085,288.80 = 26,497,965.60 : x
  2. Step 2: Convert to fraction form
    28,056,859.20/42,085,288.80 = 26,497,965.60/x
  3. Step 3: Cross multiply
    28,056,859.20x = 42,085,288.80 × 26,497,965.60
  4. Step 4: Simplify right side
    28,056,859.20x = 1,115,174,534,888,465.25
  5. Step 5: Solve for x
    x = 1,115,174,534,888,465.25/28,056,859.20
  6. Step 6: Final answer
    x = 39,746,948.40

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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.