Home / 20,914,312.77-28,864,453.01-11,746,955.52

Finding the Fourth Proportional to 20,914,312.77, 28,864,453.01 and 11,746,955.52

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Solution

The fourth proportional to 20,914,312.77, 28,864,453.01 and 11,746,955.52 is: 16,212,315.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,914,312.77 : 28,864,453.01 = 11,746,955.52 : x
  2. Step 2: Convert to fraction form
    20,914,312.77/28,864,453.01 = 11,746,955.52/x
  3. Step 3: Cross multiply
    20,914,312.77x = 28,864,453.01 × 11,746,955.52
  4. Step 4: Simplify right side
    20,914,312.77x = 339,069,445,558,865.31
  5. Step 5: Solve for x
    x = 339,069,445,558,865.31/20,914,312.77
  6. Step 6: Final answer
    x = 16,212,315.90

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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.