Home / 42,965,977.09-64,448,334.60-10,617,878.75

Finding the Fourth Proportional to 42,965,977.09, 64,448,334.60 and 10,617,878.75

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Solution

The fourth proportional to 42,965,977.09, 64,448,334.60 and 10,617,878.75 is: 15,926,662.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,965,977.09 : 64,448,334.60 = 10,617,878.75 : x
  2. Step 2: Convert to fraction form
    42,965,977.09/64,448,334.60 = 10,617,878.75/x
  3. Step 3: Cross multiply
    42,965,977.09x = 64,448,334.60 × 10,617,878.75
  4. Step 4: Simplify right side
    42,965,977.09x = 684,304,602,422,229.75
  5. Step 5: Solve for x
    x = 684,304,602,422,229.75/42,965,977.09
  6. Step 6: Final answer
    x = 15,926,662.18

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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.