Home / 7,117,141.37-9,821,637.35-3,853,955.89

Finding the Fourth Proportional to 7,117,141.37, 9,821,637.35 and 3,853,955.89

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Solution

The fourth proportional to 7,117,141.37, 9,821,637.35 and 3,853,955.89 is: 5,318,449.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,117,141.37 : 9,821,637.35 = 3,853,955.89 : x
  2. Step 2: Convert to fraction form
    7,117,141.37/9,821,637.35 = 3,853,955.89/x
  3. Step 3: Cross multiply
    7,117,141.37x = 9,821,637.35 × 3,853,955.89
  4. Step 4: Simplify right side
    7,117,141.37x = 37,852,157,095,206.72
  5. Step 5: Solve for x
    x = 37,852,157,095,206.72/7,117,141.37
  6. Step 6: Final answer
    x = 5,318,449.52

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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.