Home / 18,971,627.52-28,459,307.52-7,001,564.16

Finding the Fourth Proportional to 18,971,627.52, 28,459,307.52 and 7,001,564.16

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Solution

The fourth proportional to 18,971,627.52, 28,459,307.52 and 7,001,564.16 is: 10,503,034.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,971,627.52 : 28,459,307.52 = 7,001,564.16 : x
  2. Step 2: Convert to fraction form
    18,971,627.52/28,459,307.52 = 7,001,564.16/x
  3. Step 3: Cross multiply
    18,971,627.52x = 28,459,307.52 × 7,001,564.16
  4. Step 4: Simplify right side
    18,971,627.52x = 199,259,667,550,450.47
  5. Step 5: Solve for x
    x = 199,259,667,550,450.47/18,971,627.52
  6. Step 6: Final answer
    x = 10,503,034.98

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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.