Home / 13,640,756.28-18,792,267.65-9,503,303.63

Finding the Fourth Proportional to 13,640,756.28, 18,792,267.65 and 9,503,303.63

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Solution

The fourth proportional to 13,640,756.28, 18,792,267.65 and 9,503,303.63 is: 13,092,281.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,640,756.28 : 18,792,267.65 = 9,503,303.63 : x
  2. Step 2: Convert to fraction form
    13,640,756.28/18,792,267.65 = 9,503,303.63/x
  3. Step 3: Cross multiply
    13,640,756.28x = 18,792,267.65 × 9,503,303.63
  4. Step 4: Simplify right side
    13,640,756.28x = 178,588,625,232,698.72
  5. Step 5: Solve for x
    x = 178,588,625,232,698.72/13,640,756.28
  6. Step 6: Final answer
    x = 13,092,281.80

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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.