Home / 8,065,421.90-12,078,213.32-6,011,156.60

Finding the Fourth Proportional to 8,065,421.90, 12,078,213.32 and 6,011,156.60

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Solution

The fourth proportional to 8,065,421.90, 12,078,213.32 and 6,011,156.60 is: 9,001,888.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,065,421.90 : 12,078,213.32 = 6,011,156.60 : x
  2. Step 2: Convert to fraction form
    8,065,421.90/12,078,213.32 = 6,011,156.60/x
  3. Step 3: Cross multiply
    8,065,421.90x = 12,078,213.32 × 6,011,156.60
  4. Step 4: Simplify right side
    8,065,421.90x = 72,604,031,714,725.91
  5. Step 5: Solve for x
    x = 72,604,031,714,725.91/8,065,421.90
  6. Step 6: Final answer
    x = 9,001,888.88

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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.