Home / 18,824,856.86-28,249,230.41-8,042,238.81

Finding the Fourth Proportional to 18,824,856.86, 28,249,230.41 and 8,042,238.81

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Solution

The fourth proportional to 18,824,856.86, 28,249,230.41 and 8,042,238.81 is: 12,068,461.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,824,856.86 : 28,249,230.41 = 8,042,238.81 : x
  2. Step 2: Convert to fraction form
    18,824,856.86/28,249,230.41 = 8,042,238.81/x
  3. Step 3: Cross multiply
    18,824,856.86x = 28,249,230.41 × 8,042,238.81
  4. Step 4: Simplify right side
    18,824,856.86x = 227,187,057,115,723.03
  5. Step 5: Solve for x
    x = 227,187,057,115,723.03/18,824,856.86
  6. Step 6: Final answer
    x = 12,068,461.34

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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.