Home / 10,867,440.80-16,301,161.20-9,785,021.60

Finding the Fourth Proportional to 10,867,440.80, 16,301,161.20 and 9,785,021.60

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Solution

The fourth proportional to 10,867,440.80, 16,301,161.20 and 9,785,021.60 is: 14,677,532.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,867,440.80 : 16,301,161.20 = 9,785,021.60 : x
  2. Step 2: Convert to fraction form
    10,867,440.80/16,301,161.20 = 9,785,021.60/x
  3. Step 3: Cross multiply
    10,867,440.80x = 16,301,161.20 × 9,785,021.60
  4. Step 4: Simplify right side
    10,867,440.80x = 159,507,214,447,081.91
  5. Step 5: Solve for x
    x = 159,507,214,447,081.91/10,867,440.80
  6. Step 6: Final answer
    x = 14,677,532.40

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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.