Home / 10,550,408.40-15,783,622.20-9,146,062.80

Finding the Fourth Proportional to 10,550,408.40, 15,783,622.20 and 9,146,062.80

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Solution

The fourth proportional to 10,550,408.40, 15,783,622.20 and 9,146,062.80 is: 13,682,693.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,550,408.40 : 15,783,622.20 = 9,146,062.80 : x
  2. Step 2: Convert to fraction form
    10,550,408.40/15,783,622.20 = 9,146,062.80/x
  3. Step 3: Cross multiply
    10,550,408.40x = 15,783,622.20 × 9,146,062.80
  4. Step 4: Simplify right side
    10,550,408.40x = 144,357,999,852,674.16
  5. Step 5: Solve for x
    x = 144,357,999,852,674.16/10,550,408.40
  6. Step 6: Final answer
    x = 13,682,693.07

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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.