Home / 20,476,914.51-28,257,955.95-11,184,482.61

Finding the Fourth Proportional to 20,476,914.51, 28,257,955.95 and 11,184,482.61

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Solution

The fourth proportional to 20,476,914.51, 28,257,955.95 and 11,184,482.61 is: 15,434,484.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,476,914.51 : 28,257,955.95 = 11,184,482.61 : x
  2. Step 2: Convert to fraction form
    20,476,914.51/28,257,955.95 = 11,184,482.61/x
  3. Step 3: Cross multiply
    20,476,914.51x = 28,257,955.95 × 11,184,482.61
  4. Step 4: Simplify right side
    20,476,914.51x = 316,050,616,916,921
  5. Step 5: Solve for x
    x = 316,050,616,916,921/20,476,914.51
  6. Step 6: Final answer
    x = 15,434,484.37

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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.