Home / 12,711,935.20-19,065,212.64-4,190,246.08

Finding the Fourth Proportional to 12,711,935.20, 19,065,212.64 and 4,190,246.08

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Solution

The fourth proportional to 12,711,935.20, 19,065,212.64 and 4,190,246.08 is: 6,284,482.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,711,935.20 : 19,065,212.64 = 4,190,246.08 : x
  2. Step 2: Convert to fraction form
    12,711,935.20/19,065,212.64 = 4,190,246.08/x
  3. Step 3: Cross multiply
    12,711,935.20x = 19,065,212.64 × 4,190,246.08
  4. Step 4: Simplify right side
    12,711,935.20x = 79,887,932,529,126.45
  5. Step 5: Solve for x
    x = 79,887,932,529,126.45/12,711,935.20
  6. Step 6: Final answer
    x = 6,284,482.36

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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.