Home / 7,681,146.08-11,513,670.98-3,579,085.25

Finding the Fourth Proportional to 7,681,146.08, 11,513,670.98 and 3,579,085.25

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Solution

The fourth proportional to 7,681,146.08, 11,513,670.98 and 3,579,085.25 is: 5,364,877.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,681,146.08 : 11,513,670.98 = 3,579,085.25 : x
  2. Step 2: Convert to fraction form
    7,681,146.08/11,513,670.98 = 3,579,085.25/x
  3. Step 3: Cross multiply
    7,681,146.08x = 11,513,670.98 × 3,579,085.25
  4. Step 4: Simplify right side
    7,681,146.08x = 41,208,409,977,871.05
  5. Step 5: Solve for x
    x = 41,208,409,977,871.05/7,681,146.08
  6. Step 6: Final answer
    x = 5,364,877.79

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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.