Home / 13,725,728.64-18,941,513.04-7,614,162

Finding the Fourth Proportional to 13,725,728.64, 18,941,513.04 and 7,614,162

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Solution

The fourth proportional to 13,725,728.64, 18,941,513.04 and 7,614,162 is: 10,507,547.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,725,728.64 : 18,941,513.04 = 7,614,162 : x
  2. Step 2: Convert to fraction form
    13,725,728.64/18,941,513.04 = 7,614,162/x
  3. Step 3: Cross multiply
    13,725,728.64x = 18,941,513.04 × 7,614,162
  4. Step 4: Simplify right side
    13,725,728.64x = 144,223,748,811,672.47
  5. Step 5: Solve for x
    x = 144,223,748,811,672.47/13,725,728.64
  6. Step 6: Final answer
    x = 10,507,547.73

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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.