Home / 8,663,281.90-12,980,926.05-5,462,680.30

Finding the Fourth Proportional to 8,663,281.90, 12,980,926.05 and 5,462,680.30

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Solution

The fourth proportional to 8,663,281.90, 12,980,926.05 and 5,462,680.30 is: 8,185,194.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,663,281.90 : 12,980,926.05 = 5,462,680.30 : x
  2. Step 2: Convert to fraction form
    8,663,281.90/12,980,926.05 = 5,462,680.30/x
  3. Step 3: Cross multiply
    8,663,281.90x = 12,980,926.05 × 5,462,680.30
  4. Step 4: Simplify right side
    8,663,281.90x = 70,910,649,009,091.81
  5. Step 5: Solve for x
    x = 70,910,649,009,091.81/8,663,281.90
  6. Step 6: Final answer
    x = 8,185,194.69

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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.