Home / 10,675,740-15,973,431.12-7,487,090.40

Finding the Fourth Proportional to 10,675,740, 15,973,431.12 and 7,487,090.40

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Solution

The fourth proportional to 10,675,740, 15,973,431.12 and 7,487,090.40 is: 11,202,457.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,675,740 : 15,973,431.12 = 7,487,090.40 : x
  2. Step 2: Convert to fraction form
    10,675,740/15,973,431.12 = 7,487,090.40/x
  3. Step 3: Cross multiply
    10,675,740x = 15,973,431.12 × 7,487,090.40
  4. Step 4: Simplify right side
    10,675,740x = 119,594,522,793,613.25
  5. Step 5: Solve for x
    x = 119,594,522,793,613.25/10,675,740
  6. Step 6: Final answer
    x = 11,202,457.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.