Home / 12,807,986.68-19,218,292.55-5,985,030.86

Finding the Fourth Proportional to 12,807,986.68, 19,218,292.55 and 5,985,030.86

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Solution

The fourth proportional to 12,807,986.68, 19,218,292.55 and 5,985,030.86 is: 8,980,496.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,807,986.68 : 19,218,292.55 = 5,985,030.86 : x
  2. Step 2: Convert to fraction form
    12,807,986.68/19,218,292.55 = 5,985,030.86/x
  3. Step 3: Cross multiply
    12,807,986.68x = 19,218,292.55 × 5,985,030.86
  4. Step 4: Simplify right side
    12,807,986.68x = 115,022,073,988,258.11
  5. Step 5: Solve for x
    x = 115,022,073,988,258.11/12,807,986.68
  6. Step 6: Final answer
    x = 8,980,496.07

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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.