Home / 6,428,136.68-8,871,084.50-3,527,631.35

Finding the Fourth Proportional to 6,428,136.68, 8,871,084.50 and 3,527,631.35

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Solution

The fourth proportional to 6,428,136.68, 8,871,084.50 and 3,527,631.35 is: 4,868,271.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,428,136.68 : 8,871,084.50 = 3,527,631.35 : x
  2. Step 2: Convert to fraction form
    6,428,136.68/8,871,084.50 = 3,527,631.35/x
  3. Step 3: Cross multiply
    6,428,136.68x = 8,871,084.50 × 3,527,631.35
  4. Step 4: Simplify right side
    6,428,136.68x = 31,293,915,811,871.91
  5. Step 5: Solve for x
    x = 31,293,915,811,871.91/6,428,136.68
  6. Step 6: Final answer
    x = 4,868,271.69

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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.