Home / 10,028,680.41-15,009,501.79-5,709,571.15

Finding the Fourth Proportional to 10,028,680.41, 15,009,501.79 and 5,709,571.15

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Solution

The fourth proportional to 10,028,680.41, 15,009,501.79 and 5,709,571.15 is: 8,545,273.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,028,680.41 : 15,009,501.79 = 5,709,571.15 : x
  2. Step 2: Convert to fraction form
    10,028,680.41/15,009,501.79 = 5,709,571.15/x
  3. Step 3: Cross multiply
    10,028,680.41x = 15,009,501.79 × 5,709,571.15
  4. Step 4: Simplify right side
    10,028,680.41x = 85,697,818,367,509.52
  5. Step 5: Solve for x
    x = 85,697,818,367,509.52/10,028,680.41
  6. Step 6: Final answer
    x = 8,545,273.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.