Home / 10,867,388.30-16,301,082.45-9,784,969.10

Finding the Fourth Proportional to 10,867,388.30, 16,301,082.45 and 9,784,969.10

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Solution

The fourth proportional to 10,867,388.30, 16,301,082.45 and 9,784,969.10 is: 14,677,453.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,867,388.30 : 16,301,082.45 = 9,784,969.10 : x
  2. Step 2: Convert to fraction form
    10,867,388.30/16,301,082.45 = 9,784,969.10/x
  3. Step 3: Cross multiply
    10,867,388.30x = 16,301,082.45 × 9,784,969.10
  4. Step 4: Simplify right side
    10,867,388.30x = 159,505,588,069,802.28
  5. Step 5: Solve for x
    x = 159,505,588,069,802.28/10,867,388.30
  6. Step 6: Final answer
    x = 14,677,453.65

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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.