Home / 8,764,631.60-13,146,947.40-7,420,938.80

Finding the Fourth Proportional to 8,764,631.60, 13,146,947.40 and 7,420,938.80

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Solution

The fourth proportional to 8,764,631.60, 13,146,947.40 and 7,420,938.80 is: 11,131,408.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,764,631.60 : 13,146,947.40 = 7,420,938.80 : x
  2. Step 2: Convert to fraction form
    8,764,631.60/13,146,947.40 = 7,420,938.80/x
  3. Step 3: Cross multiply
    8,764,631.60x = 13,146,947.40 × 7,420,938.80
  4. Step 4: Simplify right side
    8,764,631.60x = 97,562,692,062,219.12
  5. Step 5: Solve for x
    x = 97,562,692,062,219.12/8,764,631.60
  6. Step 6: Final answer
    x = 11,131,408.20

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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.