Home / 15,965,999.40-23,942,000.70-6,378,191.40

Finding the Fourth Proportional to 15,965,999.40, 23,942,000.70 and 6,378,191.40

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Solution

The fourth proportional to 15,965,999.40, 23,942,000.70 and 6,378,191.40 is: 9,564,491.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,965,999.40 : 23,942,000.70 = 6,378,191.40 : x
  2. Step 2: Convert to fraction form
    15,965,999.40/23,942,000.70 = 6,378,191.40/x
  3. Step 3: Cross multiply
    15,965,999.40x = 23,942,000.70 × 6,378,191.40
  4. Step 4: Simplify right side
    15,965,999.40x = 152,706,662,963,533.97
  5. Step 5: Solve for x
    x = 152,706,662,963,533.97/15,965,999.40
  6. Step 6: Final answer
    x = 9,564,491.34

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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.