Home / 13,868,946.28-19,137,468.94-7,990,503.58

Finding the Fourth Proportional to 13,868,946.28, 19,137,468.94 and 7,990,503.58

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Solution

The fourth proportional to 13,868,946.28, 19,137,468.94 and 7,990,503.58 is: 11,025,928.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,868,946.28 : 19,137,468.94 = 7,990,503.58 : x
  2. Step 2: Convert to fraction form
    13,868,946.28/19,137,468.94 = 7,990,503.58/x
  3. Step 3: Cross multiply
    13,868,946.28x = 19,137,468.94 × 7,990,503.58
  4. Step 4: Simplify right side
    13,868,946.28x = 152,918,014,077,208.81
  5. Step 5: Solve for x
    x = 152,918,014,077,208.81/13,868,946.28
  6. Step 6: Final answer
    x = 11,025,928.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.