Home / 18,702,702.80-28,051,980.60-15,331,029.20

Finding the Fourth Proportional to 18,702,702.80, 28,051,980.60 and 15,331,029.20

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Solution

The fourth proportional to 18,702,702.80, 28,051,980.60 and 15,331,029.20 is: 22,994,844.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,702,702.80 : 28,051,980.60 = 15,331,029.20 : x
  2. Step 2: Convert to fraction form
    18,702,702.80/28,051,980.60 = 15,331,029.20/x
  3. Step 3: Cross multiply
    18,702,702.80x = 28,051,980.60 × 15,331,029.20
  4. Step 4: Simplify right side
    18,702,702.80x = 430,065,733,696,433.50
  5. Step 5: Solve for x
    x = 430,065,733,696,433.50/18,702,702.80
  6. Step 6: Final answer
    x = 22,994,844.02

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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.