Home / 39,908,486.70-59,713,258.05-28,420,512.30

Finding the Fourth Proportional to 39,908,486.70, 59,713,258.05 and 28,420,512.30

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Solution

The fourth proportional to 39,908,486.70, 59,713,258.05 and 28,420,512.30 is: 42,524,323.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,908,486.70 : 59,713,258.05 = 28,420,512.30 : x
  2. Step 2: Convert to fraction form
    39,908,486.70/59,713,258.05 = 28,420,512.30/x
  3. Step 3: Cross multiply
    39,908,486.70x = 59,713,258.05 × 28,420,512.30
  4. Step 4: Simplify right side
    39,908,486.70x = 1,697,081,384,883,099
  5. Step 5: Solve for x
    x = 1,697,081,384,883,099/39,908,486.70
  6. Step 6: Final answer
    x = 42,524,323.15

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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.