Home / 15,293,621.39-21,090,527.05-10,275,718.38

Finding the Fourth Proportional to 15,293,621.39, 21,090,527.05 and 10,275,718.38

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Solution

The fourth proportional to 15,293,621.39, 21,090,527.05 and 10,275,718.38 is: 14,170,634.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,293,621.39 : 21,090,527.05 = 10,275,718.38 : x
  2. Step 2: Convert to fraction form
    15,293,621.39/21,090,527.05 = 10,275,718.38/x
  3. Step 3: Cross multiply
    15,293,621.39x = 21,090,527.05 × 10,275,718.38
  4. Step 4: Simplify right side
    15,293,621.39x = 216,720,316,400,193.62
  5. Step 5: Solve for x
    x = 216,720,316,400,193.62/15,293,621.39
  6. Step 6: Final answer
    x = 14,170,634.34

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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.