Home / 10,090,421.21-13,925,234.02-5,681,662.95

Finding the Fourth Proportional to 10,090,421.21, 13,925,234.02 and 5,681,662.95

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Solution

The fourth proportional to 10,090,421.21, 13,925,234.02 and 5,681,662.95 is: 7,840,949.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,090,421.21 : 13,925,234.02 = 5,681,662.95 : x
  2. Step 2: Convert to fraction form
    10,090,421.21/13,925,234.02 = 5,681,662.95/x
  3. Step 3: Cross multiply
    10,090,421.21x = 13,925,234.02 × 5,681,662.95
  4. Step 4: Simplify right side
    10,090,421.21x = 79,118,486,146,091.56
  5. Step 5: Solve for x
    x = 79,118,486,146,091.56/10,090,421.21
  6. Step 6: Final answer
    x = 7,840,949.80

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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.