Home / 12,915,767.39-17,825,019.23-9,646,913.16

Finding the Fourth Proportional to 12,915,767.39, 17,825,019.23 and 9,646,913.16

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Solution

The fourth proportional to 12,915,767.39, 17,825,019.23 and 9,646,913.16 is: 13,313,681.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,915,767.39 : 17,825,019.23 = 9,646,913.16 : x
  2. Step 2: Convert to fraction form
    12,915,767.39/17,825,019.23 = 9,646,913.16/x
  3. Step 3: Cross multiply
    12,915,767.39x = 17,825,019.23 × 9,646,913.16
  4. Step 4: Simplify right side
    12,915,767.39x = 171,956,412,611,257.38
  5. Step 5: Solve for x
    x = 171,956,412,611,257.38/12,915,767.39
  6. Step 6: Final answer
    x = 13,313,681.45

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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.