Home / 12,429,041.85-18,612,069.98-9,909,617.85

Finding the Fourth Proportional to 12,429,041.85, 18,612,069.98 and 9,909,617.85

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Solution

The fourth proportional to 12,429,041.85, 18,612,069.98 and 9,909,617.85 is: 14,839,317.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,429,041.85 : 18,612,069.98 = 9,909,617.85 : x
  2. Step 2: Convert to fraction form
    12,429,041.85/18,612,069.98 = 9,909,617.85/x
  3. Step 3: Cross multiply
    12,429,041.85x = 18,612,069.98 × 9,909,617.85
  4. Step 4: Simplify right side
    12,429,041.85x = 184,438,500,849,709.06
  5. Step 5: Solve for x
    x = 184,438,500,849,709.06/12,429,041.85
  6. Step 6: Final answer
    x = 14,839,317.71

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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.