Home / 45,311,816.90-67,967,725.35-12,964,774.70

Finding the Fourth Proportional to 45,311,816.90, 67,967,725.35 and 12,964,774.70

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Solution

The fourth proportional to 45,311,816.90, 67,967,725.35 and 12,964,774.70 is: 19,447,162.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,311,816.90 : 67,967,725.35 = 12,964,774.70 : x
  2. Step 2: Convert to fraction form
    45,311,816.90/67,967,725.35 = 12,964,774.70/x
  3. Step 3: Cross multiply
    45,311,816.90x = 67,967,725.35 × 12,964,774.70
  4. Step 4: Simplify right side
    45,311,816.90x = 881,186,246,034,228.50
  5. Step 5: Solve for x
    x = 881,186,246,034,228.50/45,311,816.90
  6. Step 6: Final answer
    x = 19,447,162.05

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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.