Home / 27,483,483.96-37,941,932.56-21,190,266.38

Finding the Fourth Proportional to 27,483,483.96, 37,941,932.56 and 21,190,266.38

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Solution

The fourth proportional to 27,483,483.96, 37,941,932.56 and 21,190,266.38 is: 29,253,920.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,483,483.96 : 37,941,932.56 = 21,190,266.38 : x
  2. Step 2: Convert to fraction form
    27,483,483.96/37,941,932.56 = 21,190,266.38/x
  3. Step 3: Cross multiply
    27,483,483.96x = 37,941,932.56 × 21,190,266.38
  4. Step 4: Simplify right side
    27,483,483.96x = 803,999,657,918,395.38
  5. Step 5: Solve for x
    x = 803,999,657,918,395.38/27,483,483.96
  6. Step 6: Final answer
    x = 29,253,920.61

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1.5x scale

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.