Home / 12,611,349.12-17,403,715.08-7,104,789.93

Finding the Fourth Proportional to 12,611,349.12, 17,403,715.08 and 7,104,789.93

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Solution

The fourth proportional to 12,611,349.12, 17,403,715.08 and 7,104,789.93 is: 9,804,640.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,611,349.12 : 17,403,715.08 = 7,104,789.93 : x
  2. Step 2: Convert to fraction form
    12,611,349.12/17,403,715.08 = 7,104,789.93/x
  3. Step 3: Cross multiply
    12,611,349.12x = 17,403,715.08 × 7,104,789.93
  4. Step 4: Simplify right side
    12,611,349.12x = 123,649,739,644,973.12
  5. Step 5: Solve for x
    x = 123,649,739,644,973.12/12,611,349.12
  6. Step 6: Final answer
    x = 9,804,640.13

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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.