Home / 7,659,888.81-11,487,591.20-6,308,700.07

Finding the Fourth Proportional to 7,659,888.81, 11,487,591.20 and 6,308,700.07

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Solution

The fourth proportional to 7,659,888.81, 11,487,591.20 and 6,308,700.07 is: 9,461,203.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,659,888.81 : 11,487,591.20 = 6,308,700.07 : x
  2. Step 2: Convert to fraction form
    7,659,888.81/11,487,591.20 = 6,308,700.07/x
  3. Step 3: Cross multiply
    7,659,888.81x = 11,487,591.20 × 6,308,700.07
  4. Step 4: Simplify right side
    7,659,888.81x = 72,471,767,348,368.11
  5. Step 5: Solve for x
    x = 72,471,767,348,368.11/7,659,888.81
  6. Step 6: Final answer
    x = 9,461,203.57

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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.