Home / 28,999,810.20-43,515,461.70-11,962,205.40

Finding the Fourth Proportional to 28,999,810.20, 43,515,461.70 and 11,962,205.40

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Solution

The fourth proportional to 28,999,810.20, 43,515,461.70 and 11,962,205.40 is: 17,949,803.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,999,810.20 : 43,515,461.70 = 11,962,205.40 : x
  2. Step 2: Convert to fraction form
    28,999,810.20/43,515,461.70 = 11,962,205.40/x
  3. Step 3: Cross multiply
    28,999,810.20x = 43,515,461.70 × 11,962,205.40
  4. Step 4: Simplify right side
    28,999,810.20x = 520,540,890,931,233.25
  5. Step 5: Solve for x
    x = 520,540,890,931,233.25/28,999,810.20
  6. Step 6: Final answer
    x = 17,949,803.37

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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.