Home / 19,281,815.09-28,924,916.61-6,991,567.33

Finding the Fourth Proportional to 19,281,815.09, 28,924,916.61 and 6,991,567.33

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Solution

The fourth proportional to 19,281,815.09, 28,924,916.61 and 6,991,567.33 is: 10,488,146.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,281,815.09 : 28,924,916.61 = 6,991,567.33 : x
  2. Step 2: Convert to fraction form
    19,281,815.09/28,924,916.61 = 6,991,567.33/x
  3. Step 3: Cross multiply
    19,281,815.09x = 28,924,916.61 × 6,991,567.33
  4. Step 4: Simplify right side
    19,281,815.09x = 202,230,502,055,824.88
  5. Step 5: Solve for x
    x = 202,230,502,055,824.88/19,281,815.09
  6. Step 6: Final answer
    x = 10,488,146.53

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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.