Home / 20,476,909.49-28,257,949.08-11,184,477.62

Finding the Fourth Proportional to 20,476,909.49, 28,257,949.08 and 11,184,477.62

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Solution

The fourth proportional to 20,476,909.49, 28,257,949.08 and 11,184,477.62 is: 15,434,477.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,476,909.49 : 28,257,949.08 = 11,184,477.62 : x
  2. Step 2: Convert to fraction form
    20,476,909.49/28,257,949.08 = 11,184,477.62/x
  3. Step 3: Cross multiply
    20,476,909.49x = 28,257,949.08 × 11,184,477.62
  4. Step 4: Simplify right side
    20,476,909.49x = 316,050,398,931,069.81
  5. Step 5: Solve for x
    x = 316,050,398,931,069.81/20,476,909.49
  6. Step 6: Final answer
    x = 15,434,477.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.