Home / 15,401,078.70-21,253,646.08-8,525,413.14

Finding the Fourth Proportional to 15,401,078.70, 21,253,646.08 and 8,525,413.14

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Solution

The fourth proportional to 15,401,078.70, 21,253,646.08 and 8,525,413.14 is: 11,765,157.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,401,078.70 : 21,253,646.08 = 8,525,413.14 : x
  2. Step 2: Convert to fraction form
    15,401,078.70/21,253,646.08 = 8,525,413.14/x
  3. Step 3: Cross multiply
    15,401,078.70x = 21,253,646.08 × 8,525,413.14
  4. Step 4: Simplify right side
    15,401,078.70x = 181,196,113,563,341.50
  5. Step 5: Solve for x
    x = 181,196,113,563,341.50/15,401,078.70
  6. Step 6: Final answer
    x = 11,765,157.30

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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.