Home / 13,465,863.90-18,583,011.09-7,665,019.20

Finding the Fourth Proportional to 13,465,863.90, 18,583,011.09 and 7,665,019.20

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Solution

The fourth proportional to 13,465,863.90, 18,583,011.09 and 7,665,019.20 is: 10,577,794.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,465,863.90 : 18,583,011.09 = 7,665,019.20 : x
  2. Step 2: Convert to fraction form
    13,465,863.90/18,583,011.09 = 7,665,019.20/x
  3. Step 3: Cross multiply
    13,465,863.90x = 18,583,011.09 × 7,665,019.20
  4. Step 4: Simplify right side
    13,465,863.90x = 142,439,136,798,662.94
  5. Step 5: Solve for x
    x = 142,439,136,798,662.94/13,465,863.90
  6. Step 6: Final answer
    x = 10,577,794.18

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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.