Home / 42,910,483.24-64,365,724.08-12,618,346.24

Finding the Fourth Proportional to 42,910,483.24, 64,365,724.08 and 12,618,346.24

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Solution

The fourth proportional to 42,910,483.24, 64,365,724.08 and 12,618,346.24 is: 18,927,519.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,910,483.24 : 64,365,724.08 = 12,618,346.24 : x
  2. Step 2: Convert to fraction form
    42,910,483.24/64,365,724.08 = 12,618,346.24/x
  3. Step 3: Cross multiply
    42,910,483.24x = 64,365,724.08 × 12,618,346.24
  4. Step 4: Simplify right side
    42,910,483.24x = 812,188,992,429,745.50
  5. Step 5: Solve for x
    x = 812,188,992,429,745.50/42,910,483.24
  6. Step 6: Final answer
    x = 18,927,519.13

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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.