Home / 12,444,931.47-18,667,041.51-6,800,897.55

Finding the Fourth Proportional to 12,444,931.47, 18,667,041.51 and 6,800,897.55

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Solution

The fourth proportional to 12,444,931.47, 18,667,041.51 and 6,800,897.55 is: 10,201,151.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,444,931.47 : 18,667,041.51 = 6,800,897.55 : x
  2. Step 2: Convert to fraction form
    12,444,931.47/18,667,041.51 = 6,800,897.55/x
  3. Step 3: Cross multiply
    12,444,931.47x = 18,667,041.51 × 6,800,897.55
  4. Step 4: Simplify right side
    12,444,931.47x = 126,952,636,871,107.31
  5. Step 5: Solve for x
    x = 126,952,636,871,107.31/12,444,931.47
  6. Step 6: Final answer
    x = 10,201,151.95

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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.