Home / 31,805,288.51-47,702,253.57-8,462,165.40

Finding the Fourth Proportional to 31,805,288.51, 47,702,253.57 and 8,462,165.40

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Solution

The fourth proportional to 31,805,288.51, 47,702,253.57 and 8,462,165.40 is: 12,691,737.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,805,288.51 : 47,702,253.57 = 8,462,165.40 : x
  2. Step 2: Convert to fraction form
    31,805,288.51/47,702,253.57 = 8,462,165.40/x
  3. Step 3: Cross multiply
    31,805,288.51x = 47,702,253.57 × 8,462,165.40
  4. Step 4: Simplify right side
    31,805,288.51x = 403,664,359,662,080.50
  5. Step 5: Solve for x
    x = 403,664,359,662,080.50/31,805,288.51
  6. Step 6: Final answer
    x = 12,691,737.09

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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.