Home / 8,140,095.12-11,232,769.32-4,518,138

Finding the Fourth Proportional to 8,140,095.12, 11,232,769.32 and 4,518,138

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Solution

The fourth proportional to 8,140,095.12, 11,232,769.32 and 4,518,138 is: 6,234,718.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,140,095.12 : 11,232,769.32 = 4,518,138 : x
  2. Step 2: Convert to fraction form
    8,140,095.12/11,232,769.32 = 4,518,138/x
  3. Step 3: Cross multiply
    8,140,095.12x = 11,232,769.32 × 4,518,138
  4. Step 4: Simplify right side
    8,140,095.12x = 50,751,201,909,926.16
  5. Step 5: Solve for x
    x = 50,751,201,909,926.16/8,140,095.12
  6. Step 6: Final answer
    x = 6,234,718.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.