Home / 13,308,585.12-18,365,706.72-7,509,254.04

Finding the Fourth Proportional to 13,308,585.12, 18,365,706.72 and 7,509,254.04

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Solution

The fourth proportional to 13,308,585.12, 18,365,706.72 and 7,509,254.04 is: 10,362,691.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,308,585.12 : 18,365,706.72 = 7,509,254.04 : x
  2. Step 2: Convert to fraction form
    13,308,585.12/18,365,706.72 = 7,509,254.04/x
  3. Step 3: Cross multiply
    13,308,585.12x = 18,365,706.72 × 7,509,254.04
  4. Step 4: Simplify right side
    13,308,585.12x = 137,912,757,384,615.14
  5. Step 5: Solve for x
    x = 137,912,757,384,615.14/13,308,585.12
  6. Step 6: Final answer
    x = 10,362,691.16

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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.