Home / 7,729,820.82-11,542,678.07-6,312,688.02

Finding the Fourth Proportional to 7,729,820.82, 11,542,678.07 and 6,312,688.02

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Solution

The fourth proportional to 7,729,820.82, 11,542,678.07 and 6,312,688.02 is: 9,426,521.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,729,820.82 : 11,542,678.07 = 6,312,688.02 : x
  2. Step 2: Convert to fraction form
    7,729,820.82/11,542,678.07 = 6,312,688.02/x
  3. Step 3: Cross multiply
    7,729,820.82x = 11,542,678.07 × 6,312,688.02
  4. Step 4: Simplify right side
    7,729,820.82x = 72,865,325,539,642.27
  5. Step 5: Solve for x
    x = 72,865,325,539,642.27/7,729,820.82
  6. Step 6: Final answer
    x = 9,426,521.94

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.