Home / 6,455,136.50-8,908,088.35-3,554,520.47

Finding the Fourth Proportional to 6,455,136.50, 8,908,088.35 and 3,554,520.47

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Solution

The fourth proportional to 6,455,136.50, 8,908,088.35 and 3,554,520.47 is: 4,905,238.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,455,136.50 : 8,908,088.35 = 3,554,520.47 : x
  2. Step 2: Convert to fraction form
    6,455,136.50/8,908,088.35 = 3,554,520.47/x
  3. Step 3: Cross multiply
    6,455,136.50x = 8,908,088.35 × 3,554,520.47
  4. Step 4: Simplify right side
    6,455,136.50x = 31,663,982,344,103.08
  5. Step 5: Solve for x
    x = 31,663,982,344,103.08/6,455,136.50
  6. Step 6: Final answer
    x = 4,905,238.23

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1.5x scale

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.