Home / 10,347,886.20-15,521,829.30-9,883,399.80

Finding the Fourth Proportional to 10,347,886.20, 15,521,829.30 and 9,883,399.80

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Solution

The fourth proportional to 10,347,886.20, 15,521,829.30 and 9,883,399.80 is: 14,825,099.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,347,886.20 : 15,521,829.30 = 9,883,399.80 : x
  2. Step 2: Convert to fraction form
    10,347,886.20/15,521,829.30 = 9,883,399.80/x
  3. Step 3: Cross multiply
    10,347,886.20x = 15,521,829.30 × 9,883,399.80
  4. Step 4: Simplify right side
    10,347,886.20x = 153,408,444,599,254.16
  5. Step 5: Solve for x
    x = 153,408,444,599,254.16/10,347,886.20
  6. Step 6: Final answer
    x = 14,825,099.70

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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.