Home / 13,338,159.01-18,406,419.27-7,536,815.89

Finding the Fourth Proportional to 13,338,159.01, 18,406,419.27 and 7,536,815.89

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Solution

The fourth proportional to 13,338,159.01, 18,406,419.27 and 7,536,815.89 is: 10,400,670.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,338,159.01 : 18,406,419.27 = 7,536,815.89 : x
  2. Step 2: Convert to fraction form
    13,338,159.01/18,406,419.27 = 7,536,815.89/x
  3. Step 3: Cross multiply
    13,338,159.01x = 18,406,419.27 × 7,536,815.89
  4. Step 4: Simplify right side
    13,338,159.01x = 138,725,793,140,106.09
  5. Step 5: Solve for x
    x = 138,725,793,140,106.09/13,338,159.01
  6. Step 6: Final answer
    x = 10,400,670.22

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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.