Home / 13,408,208.30-20,112,312.45-8,033,437.10

Finding the Fourth Proportional to 13,408,208.30, 20,112,312.45 and 8,033,437.10

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Solution

The fourth proportional to 13,408,208.30, 20,112,312.45 and 8,033,437.10 is: 12,050,155.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,408,208.30 : 20,112,312.45 = 8,033,437.10 : x
  2. Step 2: Convert to fraction form
    13,408,208.30/20,112,312.45 = 8,033,437.10/x
  3. Step 3: Cross multiply
    13,408,208.30x = 20,112,312.45 × 8,033,437.10
  4. Step 4: Simplify right side
    13,408,208.30x = 161,570,997,002,621.88
  5. Step 5: Solve for x
    x = 161,570,997,002,621.88/13,408,208.30
  6. Step 6: Final answer
    x = 12,050,155.65

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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.