Home / 28,550,637.30-39,400,574.13-15,498,431.22

Finding the Fourth Proportional to 28,550,637.30, 39,400,574.13 and 15,498,431.22

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Solution

The fourth proportional to 28,550,637.30, 39,400,574.13 and 15,498,431.22 is: 21,388,212.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,550,637.30 : 39,400,574.13 = 15,498,431.22 : x
  2. Step 2: Convert to fraction form
    28,550,637.30/39,400,574.13 = 15,498,431.22/x
  3. Step 3: Cross multiply
    28,550,637.30x = 39,400,574.13 × 15,498,431.22
  4. Step 4: Simplify right side
    28,550,637.30x = 610,647,088,182,316.38
  5. Step 5: Solve for x
    x = 610,647,088,182,316.38/28,550,637.30
  6. Step 6: Final answer
    x = 21,388,212.17

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1.5x scale

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.