Home / 31,555,064.34-47,339,689.95-9,990,954.90

Finding the Fourth Proportional to 31,555,064.34, 47,339,689.95 and 9,990,954.90

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Solution

The fourth proportional to 31,555,064.34, 47,339,689.95 and 9,990,954.90 is: 14,988,678.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,555,064.34 : 47,339,689.95 = 9,990,954.90 : x
  2. Step 2: Convert to fraction form
    31,555,064.34/47,339,689.95 = 9,990,954.90/x
  3. Step 3: Cross multiply
    31,555,064.34x = 47,339,689.95 × 9,990,954.90
  4. Step 4: Simplify right side
    31,555,064.34x = 472,968,707,270,433.31
  5. Step 5: Solve for x
    x = 472,968,707,270,433.31/31,555,064.34
  6. Step 6: Final answer
    x = 14,988,678.27

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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.