Home / 14,218,071.30-19,620,895.68-7,691,699.34

Finding the Fourth Proportional to 14,218,071.30, 19,620,895.68 and 7,691,699.34

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Solution

The fourth proportional to 14,218,071.30, 19,620,895.68 and 7,691,699.34 is: 10,614,521.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,218,071.30 : 19,620,895.68 = 7,691,699.34 : x
  2. Step 2: Convert to fraction form
    14,218,071.30/19,620,895.68 = 7,691,699.34/x
  3. Step 3: Cross multiply
    14,218,071.30x = 19,620,895.68 × 7,691,699.34
  4. Step 4: Simplify right side
    14,218,071.30x = 150,918,030,352,064.84
  5. Step 5: Solve for x
    x = 150,918,030,352,064.84/14,218,071.30
  6. Step 6: Final answer
    x = 10,614,521.98

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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.