Home / 31,505,964.30-47,258,946.45-7,571,436.30

Finding the Fourth Proportional to 31,505,964.30, 47,258,946.45 and 7,571,436.30

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Solution

The fourth proportional to 31,505,964.30, 47,258,946.45 and 7,571,436.30 is: 11,357,154.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,505,964.30 : 47,258,946.45 = 7,571,436.30 : x
  2. Step 2: Convert to fraction form
    31,505,964.30/47,258,946.45 = 7,571,436.30/x
  3. Step 3: Cross multiply
    31,505,964.30x = 47,258,946.45 × 7,571,436.30
  4. Step 4: Simplify right side
    31,505,964.30x = 357,818,102,651,286.12
  5. Step 5: Solve for x
    x = 357,818,102,651,286.12/31,505,964.30
  6. Step 6: Final answer
    x = 11,357,154.45

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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.