Home / 14,171,968.29-19,556,068.65-7,892,021.18

Finding the Fourth Proportional to 14,171,968.29, 19,556,068.65 and 7,892,021.18

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Solution

The fourth proportional to 14,171,968.29, 19,556,068.65 and 7,892,021.18 is: 10,890,294.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,171,968.29 : 19,556,068.65 = 7,892,021.18 : x
  2. Step 2: Convert to fraction form
    14,171,968.29/19,556,068.65 = 7,892,021.18/x
  3. Step 3: Cross multiply
    14,171,968.29x = 19,556,068.65 × 7,892,021.18
  4. Step 4: Simplify right side
    14,171,968.29x = 154,336,907,983,334
  5. Step 5: Solve for x
    x = 154,336,907,983,334/14,171,968.29
  6. Step 6: Final answer
    x = 10,890,294.48

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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.