Home / 39,881,715.48-55,036,806.30-21,547,015.56

Finding the Fourth Proportional to 39,881,715.48, 55,036,806.30 and 21,547,015.56

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Solution

The fourth proportional to 39,881,715.48, 55,036,806.30 and 21,547,015.56 is: 29,734,902.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,881,715.48 : 55,036,806.30 = 21,547,015.56 : x
  2. Step 2: Convert to fraction form
    39,881,715.48/55,036,806.30 = 21,547,015.56/x
  3. Step 3: Cross multiply
    39,881,715.48x = 55,036,806.30 × 21,547,015.56
  4. Step 4: Simplify right side
    39,881,715.48x = 1,185,878,921,718,806
  5. Step 5: Solve for x
    x = 1,185,878,921,718,806/39,881,715.48
  6. Step 6: Final answer
    x = 29,734,902.51

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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.