Home / 30,905,651.25-46,357,332.75-12,469,569.30

Finding the Fourth Proportional to 30,905,651.25, 46,357,332.75 and 12,469,569.30

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Solution

The fourth proportional to 30,905,651.25, 46,357,332.75 and 12,469,569.30 is: 18,703,892.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,905,651.25 : 46,357,332.75 = 12,469,569.30 : x
  2. Step 2: Convert to fraction form
    30,905,651.25/46,357,332.75 = 12,469,569.30/x
  3. Step 3: Cross multiply
    30,905,651.25x = 46,357,332.75 × 12,469,569.30
  4. Step 4: Simplify right side
    30,905,651.25x = 578,055,973,289,284.62
  5. Step 5: Solve for x
    x = 578,055,973,289,284.62/30,905,651.25
  6. Step 6: Final answer
    x = 18,703,892.33

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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.