Home / 20,476,904.15-28,257,941.69-11,184,472.29

Finding the Fourth Proportional to 20,476,904.15, 28,257,941.69 and 11,184,472.29

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Solution

The fourth proportional to 20,476,904.15, 28,257,941.69 and 11,184,472.29 is: 15,434,470.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,476,904.15 : 28,257,941.69 = 11,184,472.29 : x
  2. Step 2: Convert to fraction form
    20,476,904.15/28,257,941.69 = 11,184,472.29/x
  3. Step 3: Cross multiply
    20,476,904.15x = 28,257,941.69 × 11,184,472.29
  4. Step 4: Simplify right side
    20,476,904.15x = 316,050,165,728,804.81
  5. Step 5: Solve for x
    x = 316,050,165,728,804.81/20,476,904.15
  6. Step 6: Final answer
    x = 15,434,470.14

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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.