Home / 42,687,692.10-64,033,309.62-12,395,555.10

Finding the Fourth Proportional to 42,687,692.10, 64,033,309.62 and 12,395,555.10

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Solution

The fourth proportional to 42,687,692.10, 64,033,309.62 and 12,395,555.10 is: 18,593,847.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,687,692.10 : 64,033,309.62 = 12,395,555.10 : x
  2. Step 2: Convert to fraction form
    42,687,692.10/64,033,309.62 = 12,395,555.10/x
  3. Step 3: Cross multiply
    42,687,692.10x = 64,033,309.62 × 12,395,555.10
  4. Step 4: Simplify right side
    42,687,692.10x = 793,728,417,630,070
  5. Step 5: Solve for x
    x = 793,728,417,630,070/42,687,692.10
  6. Step 6: Final answer
    x = 18,593,847.05

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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.