Home / 12,112,074.86-18,160,794.47-4,826,655.41

Finding the Fourth Proportional to 12,112,074.86, 18,160,794.47 and 4,826,655.41

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Solution

The fourth proportional to 12,112,074.86, 18,160,794.47 and 4,826,655.41 is: 7,237,066.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,112,074.86 : 18,160,794.47 = 4,826,655.41 : x
  2. Step 2: Convert to fraction form
    12,112,074.86/18,160,794.47 = 4,826,655.41/x
  3. Step 3: Cross multiply
    12,112,074.86x = 18,160,794.47 × 4,826,655.41
  4. Step 4: Simplify right side
    12,112,074.86x = 87,655,896,799,786.25
  5. Step 5: Solve for x
    x = 87,655,896,799,786.25/12,112,074.86
  6. Step 6: Final answer
    x = 7,237,066.96

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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.