Home / 8,858,289.60-13,287,434.40-2,126,703.60

Finding the Fourth Proportional to 8,858,289.60, 13,287,434.40 and 2,126,703.60

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Solution

The fourth proportional to 8,858,289.60, 13,287,434.40 and 2,126,703.60 is: 3,190,055.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,858,289.60 : 13,287,434.40 = 2,126,703.60 : x
  2. Step 2: Convert to fraction form
    8,858,289.60/13,287,434.40 = 2,126,703.60/x
  3. Step 3: Cross multiply
    8,858,289.60x = 13,287,434.40 × 2,126,703.60
  4. Step 4: Simplify right side
    8,858,289.60x = 28,258,434,573,243.84
  5. Step 5: Solve for x
    x = 28,258,434,573,243.84/8,858,289.60
  6. Step 6: Final answer
    x = 3,190,055.40

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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.