Home / 13,259,767.61-18,297,490.10-7,457,428.34

Finding the Fourth Proportional to 13,259,767.61, 18,297,490.10 and 7,457,428.34

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Solution

The fourth proportional to 13,259,767.61, 18,297,490.10 and 7,457,428.34 is: 10,290,694.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,259,767.61 : 18,297,490.10 = 7,457,428.34 : x
  2. Step 2: Convert to fraction form
    13,259,767.61/18,297,490.10 = 7,457,428.34/x
  3. Step 3: Cross multiply
    13,259,767.61x = 18,297,490.10 × 7,457,428.34
  4. Step 4: Simplify right side
    13,259,767.61x = 136,452,221,093,834.83
  5. Step 5: Solve for x
    x = 136,452,221,093,834.83/13,259,767.61
  6. Step 6: Final answer
    x = 10,290,694.77

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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.