Home / 35,609,536.40-49,140,571.56-20,139,040.40

Finding the Fourth Proportional to 35,609,536.40, 49,140,571.56 and 20,139,040.40

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Solution

The fourth proportional to 35,609,536.40, 49,140,571.56 and 20,139,040.40 is: 27,791,542.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,609,536.40 : 49,140,571.56 = 20,139,040.40 : x
  2. Step 2: Convert to fraction form
    35,609,536.40/49,140,571.56 = 20,139,040.40/x
  3. Step 3: Cross multiply
    35,609,536.40x = 49,140,571.56 × 20,139,040.40
  4. Step 4: Simplify right side
    35,609,536.40x = 989,643,955,925,931
  5. Step 5: Solve for x
    x = 989,643,955,925,931/35,609,536.40
  6. Step 6: Final answer
    x = 27,791,542.83

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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.