Home / 11,709,980.20-17,606,960.70-9,862,402.60

Finding the Fourth Proportional to 11,709,980.20, 17,606,960.70 and 9,862,402.60

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Solution

The fourth proportional to 11,709,980.20, 17,606,960.70 and 9,862,402.60 is: 14,828,969.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,709,980.20 : 17,606,960.70 = 9,862,402.60 : x
  2. Step 2: Convert to fraction form
    11,709,980.20/17,606,960.70 = 9,862,402.60/x
  3. Step 3: Cross multiply
    11,709,980.20x = 17,606,960.70 × 9,862,402.60
  4. Step 4: Simplify right side
    11,709,980.20x = 173,646,934,985,777.81
  5. Step 5: Solve for x
    x = 173,646,934,985,777.81/11,709,980.20
  6. Step 6: Final answer
    x = 14,828,969.14

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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.