Home / 9,336,153.90-14,014,728.45-7,215,638.70

Finding the Fourth Proportional to 9,336,153.90, 14,014,728.45 and 7,215,638.70

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Solution

The fourth proportional to 9,336,153.90, 14,014,728.45 and 7,215,638.70 is: 10,831,571.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,336,153.90 : 14,014,728.45 = 7,215,638.70 : x
  2. Step 2: Convert to fraction form
    9,336,153.90/14,014,728.45 = 7,215,638.70/x
  3. Step 3: Cross multiply
    9,336,153.90x = 14,014,728.45 × 7,215,638.70
  4. Step 4: Simplify right side
    9,336,153.90x = 101,125,216,973,811.02
  5. Step 5: Solve for x
    x = 101,125,216,973,811.02/9,336,153.90
  6. Step 6: Final answer
    x = 10,831,571.34

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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.