Home / 30,186,942-45,287,498.88-9,992,184

Finding the Fourth Proportional to 30,186,942, 45,287,498.88 and 9,992,184

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Solution

The fourth proportional to 30,186,942, 45,287,498.88 and 9,992,184 is: 14,990,621.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,186,942 : 45,287,498.88 = 9,992,184 : x
  2. Step 2: Convert to fraction form
    30,186,942/45,287,498.88 = 9,992,184/x
  3. Step 3: Cross multiply
    30,186,942x = 45,287,498.88 × 9,992,184
  4. Step 4: Simplify right side
    30,186,942x = 452,521,021,708,753.94
  5. Step 5: Solve for x
    x = 452,521,021,708,753.94/30,186,942
  6. Step 6: Final answer
    x = 14,990,621.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.