Home / 39,112,131.16-53,974,334.46-21,708,628.12

Finding the Fourth Proportional to 39,112,131.16, 53,974,334.46 and 21,708,628.12

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Solution

The fourth proportional to 39,112,131.16, 53,974,334.46 and 21,708,628.12 is: 29,957,681.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,112,131.16 : 53,974,334.46 = 21,708,628.12 : x
  2. Step 2: Convert to fraction form
    39,112,131.16/53,974,334.46 = 21,708,628.12/x
  3. Step 3: Cross multiply
    39,112,131.16x = 53,974,334.46 × 21,708,628.12
  4. Step 4: Simplify right side
    39,112,131.16x = 1,171,708,754,816,641
  5. Step 5: Solve for x
    x = 1,171,708,754,816,641/39,112,131.16
  6. Step 6: Final answer
    x = 29,957,681.16

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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.