Home / 20,312,323.44-28,031,522.16-11,144,963.76

Finding the Fourth Proportional to 20,312,323.44, 28,031,522.16 and 11,144,963.76

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Solution

The fourth proportional to 20,312,323.44, 28,031,522.16 and 11,144,963.76 is: 15,380,333.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,312,323.44 : 28,031,522.16 = 11,144,963.76 : x
  2. Step 2: Convert to fraction form
    20,312,323.44/28,031,522.16 = 11,144,963.76/x
  3. Step 3: Cross multiply
    20,312,323.44x = 28,031,522.16 × 11,144,963.76
  4. Step 4: Simplify right side
    20,312,323.44x = 312,410,298,610,836.94
  5. Step 5: Solve for x
    x = 312,410,298,610,836.94/20,312,323.44
  6. Step 6: Final answer
    x = 15,380,333.00

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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.