Home / 13,249,912.07-18,284,345.78-7,448,570.16

Finding the Fourth Proportional to 13,249,912.07, 18,284,345.78 and 7,448,570.16

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Solution

The fourth proportional to 13,249,912.07, 18,284,345.78 and 7,448,570.16 is: 10,278,727.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,249,912.07 : 18,284,345.78 = 7,448,570.16 : x
  2. Step 2: Convert to fraction form
    13,249,912.07/18,284,345.78 = 7,448,570.16/x
  3. Step 3: Cross multiply
    13,249,912.07x = 18,284,345.78 × 7,448,570.16
  4. Step 4: Simplify right side
    13,249,912.07x = 136,192,232,334,787.06
  5. Step 5: Solve for x
    x = 136,192,232,334,787.06/13,249,912.07
  6. Step 6: Final answer
    x = 10,278,727.26

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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.