Home / 30,240,955.70-45,367,338.45-12,042,053.90

Finding the Fourth Proportional to 30,240,955.70, 45,367,338.45 and 12,042,053.90

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Solution

The fourth proportional to 30,240,955.70, 45,367,338.45 and 12,042,053.90 is: 18,065,432.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,240,955.70 : 45,367,338.45 = 12,042,053.90 : x
  2. Step 2: Convert to fraction form
    30,240,955.70/45,367,338.45 = 12,042,053.90/x
  3. Step 3: Cross multiply
    30,240,955.70x = 45,367,338.45 × 12,042,053.90
  4. Step 4: Simplify right side
    30,240,955.70x = 546,315,934,914,442.50
  5. Step 5: Solve for x
    x = 546,315,934,914,442.50/30,240,955.70
  6. Step 6: Final answer
    x = 18,065,432.20

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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.