Home / 8,179,330.35-12,284,938.47-6,664,133.01

Finding the Fourth Proportional to 8,179,330.35, 12,284,938.47 and 6,664,133.01

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Solution

The fourth proportional to 8,179,330.35, 12,284,938.47 and 6,664,133.01 is: 10,009,189.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,179,330.35 : 12,284,938.47 = 6,664,133.01 : x
  2. Step 2: Convert to fraction form
    8,179,330.35/12,284,938.47 = 6,664,133.01/x
  3. Step 3: Cross multiply
    8,179,330.35x = 12,284,938.47 × 6,664,133.01
  4. Step 4: Simplify right side
    8,179,330.35x = 81,868,464,054,804.92
  5. Step 5: Solve for x
    x = 81,868,464,054,804.92/8,179,330.35
  6. Step 6: Final answer
    x = 10,009,189.08

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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.