Home / 8,571,667.66-12,858,756.28-4,023,178.47

Finding the Fourth Proportional to 8,571,667.66, 12,858,756.28 and 4,023,178.47

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Solution

The fourth proportional to 8,571,667.66, 12,858,756.28 and 4,023,178.47 is: 6,035,356.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,571,667.66 : 12,858,756.28 = 4,023,178.47 : x
  2. Step 2: Convert to fraction form
    8,571,667.66/12,858,756.28 = 4,023,178.47/x
  3. Step 3: Cross multiply
    8,571,667.66x = 12,858,756.28 × 4,023,178.47
  4. Step 4: Simplify right side
    8,571,667.66x = 51,733,071,406,615.34
  5. Step 5: Solve for x
    x = 51,733,071,406,615.34/8,571,667.66
  6. Step 6: Final answer
    x = 6,035,356.65

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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.