Home / 13,040,153.07-17,994,508.20-7,238,477.85

Finding the Fourth Proportional to 13,040,153.07, 17,994,508.20 and 7,238,477.85

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Solution

The fourth proportional to 13,040,153.07, 17,994,508.20 and 7,238,477.85 is: 9,988,598.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,040,153.07 : 17,994,508.20 = 7,238,477.85 : x
  2. Step 2: Convert to fraction form
    13,040,153.07/17,994,508.20 = 7,238,477.85/x
  3. Step 3: Cross multiply
    13,040,153.07x = 17,994,508.20 × 7,238,477.85
  4. Step 4: Simplify right side
    13,040,153.07x = 130,252,849,027,343.36
  5. Step 5: Solve for x
    x = 130,252,849,027,343.36/13,040,153.07
  6. Step 6: Final answer
    x = 9,988,598.17

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1.5x scale

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.