Home / 28,739,808.10-43,109,712.15-18,536,140.90

Finding the Fourth Proportional to 28,739,808.10, 43,109,712.15 and 18,536,140.90

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Solution

The fourth proportional to 28,739,808.10, 43,109,712.15 and 18,536,140.90 is: 27,804,211.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,739,808.10 : 43,109,712.15 = 18,536,140.90 : x
  2. Step 2: Convert to fraction form
    28,739,808.10/43,109,712.15 = 18,536,140.90/x
  3. Step 3: Cross multiply
    28,739,808.10x = 43,109,712.15 × 18,536,140.90
  4. Step 4: Simplify right side
    28,739,808.10x = 799,087,698,570,841.88
  5. Step 5: Solve for x
    x = 799,087,698,570,841.88/28,739,808.10
  6. Step 6: Final answer
    x = 27,804,211.35

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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.