Home / 10,354,561.32-15,536,417.12-5,429,416.86

Finding the Fourth Proportional to 10,354,561.32, 15,536,417.12 and 5,429,416.86

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Solution

The fourth proportional to 10,354,561.32, 15,536,417.12 and 5,429,416.86 is: 8,146,524.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,354,561.32 : 15,536,417.12 = 5,429,416.86 : x
  2. Step 2: Convert to fraction form
    10,354,561.32/15,536,417.12 = 5,429,416.86/x
  3. Step 3: Cross multiply
    10,354,561.32x = 15,536,417.12 × 5,429,416.86
  4. Step 4: Simplify right side
    10,354,561.32x = 84,353,685,055,320.64
  5. Step 5: Solve for x
    x = 84,353,685,055,320.64/10,354,561.32
  6. Step 6: Final answer
    x = 8,146,524.27

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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.