Home / 7,884,058.60-11,826,087.90-7,128,231.40

Finding the Fourth Proportional to 7,884,058.60, 11,826,087.90 and 7,128,231.40

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Solution

The fourth proportional to 7,884,058.60, 11,826,087.90 and 7,128,231.40 is: 10,692,347.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,884,058.60 : 11,826,087.90 = 7,128,231.40 : x
  2. Step 2: Convert to fraction form
    7,884,058.60/11,826,087.90 = 7,128,231.40/x
  3. Step 3: Cross multiply
    7,884,058.60x = 11,826,087.90 × 7,128,231.40
  4. Step 4: Simplify right side
    7,884,058.60x = 84,299,091,107,940.06
  5. Step 5: Solve for x
    x = 84,299,091,107,940.06/7,884,058.60
  6. Step 6: Final answer
    x = 10,692,347.10

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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.