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Finding the Fourth Proportional to 9,362,213.70, 14,019,700.95 and 7,472,645.70

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Solution

The fourth proportional to 9,362,213.70, 14,019,700.95 and 7,472,645.70 is: 11,190,116.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,362,213.70 : 14,019,700.95 = 7,472,645.70 : x
  2. Step 2: Convert to fraction form
    9,362,213.70/14,019,700.95 = 7,472,645.70/x
  3. Step 3: Cross multiply
    9,362,213.70x = 14,019,700.95 × 7,472,645.70
  4. Step 4: Simplify right side
    9,362,213.70x = 104,764,258,019,303.41
  5. Step 5: Solve for x
    x = 104,764,258,019,303.41/9,362,213.70
  6. Step 6: Final answer
    x = 11,190,116.07

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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.