Home / 7,152,601.80-10,728,902.70-3,108,401.40

Finding the Fourth Proportional to 7,152,601.80, 10,728,902.70 and 3,108,401.40

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Solution

The fourth proportional to 7,152,601.80, 10,728,902.70 and 3,108,401.40 is: 4,662,602.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,152,601.80 : 10,728,902.70 = 3,108,401.40 : x
  2. Step 2: Convert to fraction form
    7,152,601.80/10,728,902.70 = 3,108,401.40/x
  3. Step 3: Cross multiply
    7,152,601.80x = 10,728,902.70 × 3,108,401.40
  4. Step 4: Simplify right side
    7,152,601.80x = 33,349,736,173,143.78
  5. Step 5: Solve for x
    x = 33,349,736,173,143.78/7,152,601.80
  6. Step 6: Final answer
    x = 4,662,602.10

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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.