Home / 10,915,430.52-15,058,647.18-8,009,772.60

Finding the Fourth Proportional to 10,915,430.52, 15,058,647.18 and 8,009,772.60

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Solution

The fourth proportional to 10,915,430.52, 15,058,647.18 and 8,009,772.60 is: 11,050,076.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,915,430.52 : 15,058,647.18 = 8,009,772.60 : x
  2. Step 2: Convert to fraction form
    10,915,430.52/15,058,647.18 = 8,009,772.60/x
  3. Step 3: Cross multiply
    10,915,430.52x = 15,058,647.18 × 8,009,772.60
  4. Step 4: Simplify right side
    10,915,430.52x = 120,616,339,575,431.27
  5. Step 5: Solve for x
    x = 120,616,339,575,431.27/10,915,430.52
  6. Step 6: Final answer
    x = 11,050,076.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.