Home / 20,384,489.48-28,130,239.56-11,091,746.04

Finding the Fourth Proportional to 20,384,489.48, 28,130,239.56 and 11,091,746.04

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Solution

The fourth proportional to 20,384,489.48, 28,130,239.56 and 11,091,746.04 is: 15,306,415.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,384,489.48 : 28,130,239.56 = 11,091,746.04 : x
  2. Step 2: Convert to fraction form
    20,384,489.48/28,130,239.56 = 11,091,746.04/x
  3. Step 3: Cross multiply
    20,384,489.48x = 28,130,239.56 × 11,091,746.04
  4. Step 4: Simplify right side
    20,384,489.48x = 312,013,473,243,881.31
  5. Step 5: Solve for x
    x = 312,013,473,243,881.31/20,384,489.48
  6. Step 6: Final answer
    x = 15,306,415.87

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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.