Home / 45,009,573.90-67,506,498.45-12,653,794.50

Finding the Fourth Proportional to 45,009,573.90, 67,506,498.45 and 12,653,794.50

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Solution

The fourth proportional to 45,009,573.90, 67,506,498.45 and 12,653,794.50 is: 18,978,481.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,009,573.90 : 67,506,498.45 = 12,653,794.50 : x
  2. Step 2: Convert to fraction form
    45,009,573.90/67,506,498.45 = 12,653,794.50/x
  3. Step 3: Cross multiply
    45,009,573.90x = 67,506,498.45 × 12,653,794.50
  4. Step 4: Simplify right side
    45,009,573.90x = 854,213,358,800,868.62
  5. Step 5: Solve for x
    x = 854,213,358,800,868.62/45,009,573.90
  6. Step 6: Final answer
    x = 18,978,481.35

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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.