Home / 13,625,897.22-18,803,105.67-7,820,593.20

Finding the Fourth Proportional to 13,625,897.22, 18,803,105.67 and 7,820,593.20

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Solution

The fourth proportional to 13,625,897.22, 18,803,105.67 and 7,820,593.20 is: 10,792,055.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,625,897.22 : 18,803,105.67 = 7,820,593.20 : x
  2. Step 2: Convert to fraction form
    13,625,897.22/18,803,105.67 = 7,820,593.20/x
  3. Step 3: Cross multiply
    13,625,897.22x = 18,803,105.67 × 7,820,593.20
  4. Step 4: Simplify right side
    13,625,897.22x = 147,051,440,341,683.47
  5. Step 5: Solve for x
    x = 147,051,440,341,683.47/13,625,897.22
  6. Step 6: Final answer
    x = 10,792,055.60

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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.