Home / 7,242,258.51-9,994,329.63-3,979,044.90

Finding the Fourth Proportional to 7,242,258.51, 9,994,329.63 and 3,979,044.90

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Solution

The fourth proportional to 7,242,258.51, 9,994,329.63 and 3,979,044.90 is: 5,491,089.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,242,258.51 : 9,994,329.63 = 3,979,044.90 : x
  2. Step 2: Convert to fraction form
    7,242,258.51/9,994,329.63 = 3,979,044.90/x
  3. Step 3: Cross multiply
    7,242,258.51x = 9,994,329.63 × 3,979,044.90
  4. Step 4: Simplify right side
    7,242,258.51x = 39,767,886,343,170.39
  5. Step 5: Solve for x
    x = 39,767,886,343,170.39/7,242,258.51
  6. Step 6: Final answer
    x = 5,491,089.04

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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.