Home / 12,949,130.71-17,865,556.46-9,228,547.79

Finding the Fourth Proportional to 12,949,130.71, 17,865,556.46 and 9,228,547.79

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Solution

The fourth proportional to 12,949,130.71, 17,865,556.46 and 9,228,547.79 is: 12,732,371.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,949,130.71 : 17,865,556.46 = 9,228,547.79 : x
  2. Step 2: Convert to fraction form
    12,949,130.71/17,865,556.46 = 9,228,547.79/x
  3. Step 3: Cross multiply
    12,949,130.71x = 17,865,556.46 × 9,228,547.79
  4. Step 4: Simplify right side
    12,949,130.71x = 164,873,141,552,185.59
  5. Step 5: Solve for x
    x = 164,873,141,552,185.59/12,949,130.71
  6. Step 6: Final answer
    x = 12,732,371.40

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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.