Home / 10,000,384.61-13,800,531.20-5,416,705.98

Finding the Fourth Proportional to 10,000,384.61, 13,800,531.20 and 5,416,705.98

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Solution

The fourth proportional to 10,000,384.61, 13,800,531.20 and 5,416,705.98 is: 7,475,054.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,000,384.61 : 13,800,531.20 = 5,416,705.98 : x
  2. Step 2: Convert to fraction form
    10,000,384.61/13,800,531.20 = 5,416,705.98/x
  3. Step 3: Cross multiply
    10,000,384.61x = 13,800,531.20 × 5,416,705.98
  4. Step 4: Simplify right side
    10,000,384.61x = 74,753,419,851,133.05
  5. Step 5: Solve for x
    x = 74,753,419,851,133.05/10,000,384.61
  6. Step 6: Final answer
    x = 7,475,054.49

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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.