Home / 9,750,378.48-13,455,510.21-5,399,459.61

Finding the Fourth Proportional to 9,750,378.48, 13,455,510.21 and 5,399,459.61

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Solution

The fourth proportional to 9,750,378.48, 13,455,510.21 and 5,399,459.61 is: 7,451,247.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,750,378.48 : 13,455,510.21 = 5,399,459.61 : x
  2. Step 2: Convert to fraction form
    9,750,378.48/13,455,510.21 = 5,399,459.61/x
  3. Step 3: Cross multiply
    9,750,378.48x = 13,455,510.21 × 5,399,459.61
  4. Step 4: Simplify right side
    9,750,378.48x = 72,652,483,910,837.62
  5. Step 5: Solve for x
    x = 72,652,483,910,837.62/9,750,378.48
  6. Step 6: Final answer
    x = 7,451,247.57

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1.5x scale

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.