Home / 15,758,208.47-21,754,547.31-11,185,453.91

Finding the Fourth Proportional to 15,758,208.47, 21,754,547.31 and 11,185,453.91

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Solution

The fourth proportional to 15,758,208.47, 21,754,547.31 and 11,185,453.91 is: 15,441,760.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,758,208.47 : 21,754,547.31 = 11,185,453.91 : x
  2. Step 2: Convert to fraction form
    15,758,208.47/21,754,547.31 = 11,185,453.91/x
  3. Step 3: Cross multiply
    15,758,208.47x = 21,754,547.31 × 11,185,453.91
  4. Step 4: Simplify right side
    15,758,208.47x = 243,334,486,160,146.72
  5. Step 5: Solve for x
    x = 243,334,486,160,146.72/15,758,208.47
  6. Step 6: Final answer
    x = 15,441,760.83

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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.