Home / 31,229,718.21-46,854,377.13-18,780,252.17

Finding the Fourth Proportional to 31,229,718.21, 46,854,377.13 and 18,780,252.17

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Solution

The fourth proportional to 31,229,718.21, 46,854,377.13 and 18,780,252.17 is: 28,176,271.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,229,718.21 : 46,854,377.13 = 18,780,252.17 : x
  2. Step 2: Convert to fraction form
    31,229,718.21/46,854,377.13 = 18,780,252.17/x
  3. Step 3: Cross multiply
    31,229,718.21x = 46,854,377.13 × 18,780,252.17
  4. Step 4: Simplify right side
    31,229,718.21x = 879,937,017,605,834.88
  5. Step 5: Solve for x
    x = 879,937,017,605,834.88/31,229,718.21
  6. Step 6: Final answer
    x = 28,176,271.45

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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.