Home / 7,039,279.84-9,714,212.40-3,820,015.84

Finding the Fourth Proportional to 7,039,279.84, 9,714,212.40 and 3,820,015.84

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Solution

The fourth proportional to 7,039,279.84, 9,714,212.40 and 3,820,015.84 is: 5,271,625.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,039,279.84 : 9,714,212.40 = 3,820,015.84 : x
  2. Step 2: Convert to fraction form
    7,039,279.84/9,714,212.40 = 3,820,015.84/x
  3. Step 3: Cross multiply
    7,039,279.84x = 9,714,212.40 × 3,820,015.84
  4. Step 4: Simplify right side
    7,039,279.84x = 37,108,445,241,124.41
  5. Step 5: Solve for x
    x = 37,108,445,241,124.41/7,039,279.84
  6. Step 6: Final answer
    x = 5,271,625.24

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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.