Home / 5,000,628.30-7,500,942.45-4,920,912.15

Finding the Fourth Proportional to 5,000,628.30, 7,500,942.45 and 4,920,912.15

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Solution

The fourth proportional to 5,000,628.30, 7,500,942.45 and 4,920,912.15 is: 7,381,368.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,000,628.30 : 7,500,942.45 = 4,920,912.15 : x
  2. Step 2: Convert to fraction form
    5,000,628.30/7,500,942.45 = 4,920,912.15/x
  3. Step 3: Cross multiply
    5,000,628.30x = 7,500,942.45 × 4,920,912.15
  4. Step 4: Simplify right side
    5,000,628.30x = 36,911,478,838,655.77
  5. Step 5: Solve for x
    x = 36,911,478,838,655.77/5,000,628.30
  6. Step 6: Final answer
    x = 7,381,368.23

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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.