Home / 28,352,466-39,126,403.32-15,475,410

Finding the Fourth Proportional to 28,352,466, 39,126,403.32 and 15,475,410

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Solution

The fourth proportional to 28,352,466, 39,126,403.32 and 15,475,410 is: 21,356,065.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,352,466 : 39,126,403.32 = 15,475,410 : x
  2. Step 2: Convert to fraction form
    28,352,466/39,126,403.32 = 15,475,410/x
  3. Step 3: Cross multiply
    28,352,466x = 39,126,403.32 × 15,475,410
  4. Step 4: Simplify right side
    28,352,466x = 605,497,133,202,361.25
  5. Step 5: Solve for x
    x = 605,497,133,202,361.25/28,352,466
  6. Step 6: Final answer
    x = 21,356,065.93

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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.