Home / 20,476,924.30-28,257,969.48-11,184,492.40

Finding the Fourth Proportional to 20,476,924.30, 28,257,969.48 and 11,184,492.40

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Solution

The fourth proportional to 20,476,924.30, 28,257,969.48 and 11,184,492.40 is: 15,434,497.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,476,924.30 : 28,257,969.48 = 11,184,492.40 : x
  2. Step 2: Convert to fraction form
    20,476,924.30/28,257,969.48 = 11,184,492.40/x
  3. Step 3: Cross multiply
    20,476,924.30x = 28,257,969.48 × 11,184,492.40
  4. Step 4: Simplify right side
    20,476,924.30x = 316,051,044,888,491.94
  5. Step 5: Solve for x
    x = 316,051,044,888,491.94/20,476,924.30
  6. Step 6: Final answer
    x = 15,434,497.89

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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.