Home / 7,152,816.10-9,871,145.80-4,097,620.84

Finding the Fourth Proportional to 7,152,816.10, 9,871,145.80 and 4,097,620.84

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Solution

The fourth proportional to 7,152,816.10, 9,871,145.80 and 4,097,620.84 is: 5,654,865.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,152,816.10 : 9,871,145.80 = 4,097,620.84 : x
  2. Step 2: Convert to fraction form
    7,152,816.10/9,871,145.80 = 4,097,620.84/x
  3. Step 3: Cross multiply
    7,152,816.10x = 9,871,145.80 × 4,097,620.84
  4. Step 4: Simplify right side
    7,152,816.10x = 40,448,212,744,758.48
  5. Step 5: Solve for x
    x = 40,448,212,744,758.48/7,152,816.10
  6. Step 6: Final answer
    x = 5,654,865.47

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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.