Home / 9,109,546-12,569,592.66-5,626,835.92

Finding the Fourth Proportional to 9,109,546, 12,569,592.66 and 5,626,835.92

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Solution

The fourth proportional to 9,109,546, 12,569,592.66 and 5,626,835.92 is: 7,764,057.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,109,546 : 12,569,592.66 = 5,626,835.92 : x
  2. Step 2: Convert to fraction form
    9,109,546/12,569,592.66 = 5,626,835.92/x
  3. Step 3: Cross multiply
    9,109,546x = 12,569,592.66 × 5,626,835.92
  4. Step 4: Simplify right side
    9,109,546x = 70,727,035,479,056.34
  5. Step 5: Solve for x
    x = 70,727,035,479,056.34/9,109,546
  6. Step 6: Final answer
    x = 7,764,057.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.