Home / 31,143,423.60-46,701,138.60-11,967,807.60

Finding the Fourth Proportional to 31,143,423.60, 46,701,138.60 and 11,967,807.60

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Solution

The fourth proportional to 31,143,423.60, 46,701,138.60 and 11,967,807.60 is: 17,946,332.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,143,423.60 : 46,701,138.60 = 11,967,807.60 : x
  2. Step 2: Convert to fraction form
    31,143,423.60/46,701,138.60 = 11,967,807.60/x
  3. Step 3: Cross multiply
    31,143,423.60x = 46,701,138.60 × 11,967,807.60
  4. Step 4: Simplify right side
    31,143,423.60x = 558,910,241,465,733.38
  5. Step 5: Solve for x
    x = 558,910,241,465,733.38/31,143,423.60
  6. Step 6: Final answer
    x = 17,946,332.70

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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.