Home / 9,396,921.20-14,095,381.80-8,239,852.40

Finding the Fourth Proportional to 9,396,921.20, 14,095,381.80 and 8,239,852.40

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Solution

The fourth proportional to 9,396,921.20, 14,095,381.80 and 8,239,852.40 is: 12,359,778.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,396,921.20 : 14,095,381.80 = 8,239,852.40 : x
  2. Step 2: Convert to fraction form
    9,396,921.20/14,095,381.80 = 8,239,852.40/x
  3. Step 3: Cross multiply
    9,396,921.20x = 14,095,381.80 × 8,239,852.40
  4. Step 4: Simplify right side
    9,396,921.20x = 116,143,865,553,646.33
  5. Step 5: Solve for x
    x = 116,143,865,553,646.33/9,396,921.20
  6. Step 6: Final answer
    x = 12,359,778.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.