Home / 8,537,231.70-12,806,521.47-2,857,477.14

Finding the Fourth Proportional to 8,537,231.70, 12,806,521.47 and 2,857,477.14

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Solution

The fourth proportional to 8,537,231.70, 12,806,521.47 and 2,857,477.14 is: 4,286,441.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,537,231.70 : 12,806,521.47 = 2,857,477.14 : x
  2. Step 2: Convert to fraction form
    8,537,231.70/12,806,521.47 = 2,857,477.14/x
  3. Step 3: Cross multiply
    8,537,231.70x = 12,806,521.47 × 2,857,477.14
  4. Step 4: Simplify right side
    8,537,231.70x = 36,594,342,343,444.20
  5. Step 5: Solve for x
    x = 36,594,342,343,444.20/8,537,231.70
  6. Step 6: Final answer
    x = 4,286,441.28

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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.