Home / 9,296,947.20-13,945,420.80-7,808,912.40

Finding the Fourth Proportional to 9,296,947.20, 13,945,420.80 and 7,808,912.40

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Solution

The fourth proportional to 9,296,947.20, 13,945,420.80 and 7,808,912.40 is: 11,713,368.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,296,947.20 : 13,945,420.80 = 7,808,912.40 : x
  2. Step 2: Convert to fraction form
    9,296,947.20/13,945,420.80 = 7,808,912.40/x
  3. Step 3: Cross multiply
    9,296,947.20x = 13,945,420.80 × 7,808,912.40
  4. Step 4: Simplify right side
    9,296,947.20x = 108,898,569,408,337.94
  5. Step 5: Solve for x
    x = 108,898,569,408,337.94/9,296,947.20
  6. Step 6: Final answer
    x = 11,713,368.60

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1.5x scale

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.