Home / 15,009,699.39-20,713,402.87-8,134,181.45

Finding the Fourth Proportional to 15,009,699.39, 20,713,402.87 and 8,134,181.45

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Solution

The fourth proportional to 15,009,699.39, 20,713,402.87 and 8,134,181.45 is: 11,225,180.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,009,699.39 : 20,713,402.87 = 8,134,181.45 : x
  2. Step 2: Convert to fraction form
    15,009,699.39/20,713,402.87 = 8,134,181.45/x
  3. Step 3: Cross multiply
    15,009,699.39x = 20,713,402.87 × 8,134,181.45
  4. Step 4: Simplify right side
    15,009,699.39x = 168,486,577,350,859.84
  5. Step 5: Solve for x
    x = 168,486,577,350,859.84/15,009,699.39
  6. Step 6: Final answer
    x = 11,225,180.00

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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.