Home / 27,986,368.94-38,619,490.18-15,426,873.16

Finding the Fourth Proportional to 27,986,368.94, 38,619,490.18 and 15,426,873.16

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Solution

The fourth proportional to 27,986,368.94, 38,619,490.18 and 15,426,873.16 is: 21,288,148.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,986,368.94 : 38,619,490.18 = 15,426,873.16 : x
  2. Step 2: Convert to fraction form
    27,986,368.94/38,619,490.18 = 15,426,873.16/x
  3. Step 3: Cross multiply
    27,986,368.94x = 38,619,490.18 × 15,426,873.16
  4. Step 4: Simplify right side
    27,986,368.94x = 595,777,976,510,725.62
  5. Step 5: Solve for x
    x = 595,777,976,510,725.62/27,986,368.94
  6. Step 6: Final answer
    x = 21,288,148.45

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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.