Home / 13,015,477.64-17,961,328.18-7,135,101.48

Finding the Fourth Proportional to 13,015,477.64, 17,961,328.18 and 7,135,101.48

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Solution

The fourth proportional to 13,015,477.64, 17,961,328.18 and 7,135,101.48 is: 9,846,423.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,015,477.64 : 17,961,328.18 = 7,135,101.48 : x
  2. Step 2: Convert to fraction form
    13,015,477.64/17,961,328.18 = 7,135,101.48/x
  3. Step 3: Cross multiply
    13,015,477.64x = 17,961,328.18 × 7,135,101.48
  4. Step 4: Simplify right side
    13,015,477.64x = 128,155,899,279,883.72
  5. Step 5: Solve for x
    x = 128,155,899,279,883.72/13,015,477.64
  6. Step 6: Final answer
    x = 9,846,423.07

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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.