Home / 13,619,563.76-18,795,124.77-7,508,210.96

Finding the Fourth Proportional to 13,619,563.76, 18,795,124.77 and 7,508,210.96

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Solution

The fourth proportional to 13,619,563.76, 18,795,124.77 and 7,508,210.96 is: 10,361,401.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,619,563.76 : 18,795,124.77 = 7,508,210.96 : x
  2. Step 2: Convert to fraction form
    13,619,563.76/18,795,124.77 = 7,508,210.96/x
  3. Step 3: Cross multiply
    13,619,563.76x = 18,795,124.77 × 7,508,210.96
  4. Step 4: Simplify right side
    13,619,563.76x = 141,117,761,792,681.47
  5. Step 5: Solve for x
    x = 141,117,761,792,681.47/13,619,563.76
  6. Step 6: Final answer
    x = 10,361,401.02

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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.