Home / 10,257,313.30-15,385,969.95-9,784,921.30

Finding the Fourth Proportional to 10,257,313.30, 15,385,969.95 and 9,784,921.30

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Solution

The fourth proportional to 10,257,313.30, 15,385,969.95 and 9,784,921.30 is: 14,677,381.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,257,313.30 : 15,385,969.95 = 9,784,921.30 : x
  2. Step 2: Convert to fraction form
    10,257,313.30/15,385,969.95 = 9,784,921.30/x
  3. Step 3: Cross multiply
    10,257,313.30x = 15,385,969.95 × 9,784,921.30
  4. Step 4: Simplify right side
    10,257,313.30x = 150,550,505,084,914.94
  5. Step 5: Solve for x
    x = 150,550,505,084,914.94/10,257,313.30
  6. Step 6: Final answer
    x = 14,677,381.95

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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.