Home / 31,076,733.14-42,894,162.88-18,357,585.71

Finding the Fourth Proportional to 31,076,733.14, 42,894,162.88 and 18,357,585.71

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Solution

The fourth proportional to 31,076,733.14, 42,894,162.88 and 18,357,585.71 is: 25,338,354.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,076,733.14 : 42,894,162.88 = 18,357,585.71 : x
  2. Step 2: Convert to fraction form
    31,076,733.14/42,894,162.88 = 18,357,585.71/x
  3. Step 3: Cross multiply
    31,076,733.14x = 42,894,162.88 × 18,357,585.71
  4. Step 4: Simplify right side
    31,076,733.14x = 787,433,271,612,476.75
  5. Step 5: Solve for x
    x = 787,433,271,612,476.75/31,076,733.14
  6. Step 6: Final answer
    x = 25,338,354.20

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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.