Home / 31,079,277.48-42,878,156.94-18,019,344.36

Finding the Fourth Proportional to 31,079,277.48, 42,878,156.94 and 18,019,344.36

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Solution

The fourth proportional to 31,079,277.48, 42,878,156.94 and 18,019,344.36 is: 24,860,174.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,079,277.48 : 42,878,156.94 = 18,019,344.36 : x
  2. Step 2: Convert to fraction form
    31,079,277.48/42,878,156.94 = 18,019,344.36/x
  3. Step 3: Cross multiply
    31,079,277.48x = 42,878,156.94 × 18,019,344.36
  4. Step 4: Simplify right side
    31,079,277.48x = 772,636,275,423,983.75
  5. Step 5: Solve for x
    x = 772,636,275,423,983.75/31,079,277.48
  6. Step 6: Final answer
    x = 24,860,174.95

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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.