Home / 7,152,814.42-9,871,143.48-4,097,619.16

Finding the Fourth Proportional to 7,152,814.42, 9,871,143.48 and 4,097,619.16

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Solution

The fourth proportional to 7,152,814.42, 9,871,143.48 and 4,097,619.16 is: 5,654,863.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,152,814.42 : 9,871,143.48 = 4,097,619.16 : x
  2. Step 2: Convert to fraction form
    7,152,814.42/9,871,143.48 = 4,097,619.16/x
  3. Step 3: Cross multiply
    7,152,814.42x = 9,871,143.48 × 4,097,619.16
  4. Step 4: Simplify right side
    7,152,814.42x = 40,448,186,654,757.08
  5. Step 5: Solve for x
    x = 40,448,186,654,757.08/7,152,814.42
  6. Step 6: Final answer
    x = 5,654,863.15

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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.