Home / 7,518,879.81-10,381,446.41-4,622,154.57

Finding the Fourth Proportional to 7,518,879.81, 10,381,446.41 and 4,622,154.57

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Solution

The fourth proportional to 7,518,879.81, 10,381,446.41 and 4,622,154.57 is: 6,381,888.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,518,879.81 : 10,381,446.41 = 4,622,154.57 : x
  2. Step 2: Convert to fraction form
    7,518,879.81/10,381,446.41 = 4,622,154.57/x
  3. Step 3: Cross multiply
    7,518,879.81x = 10,381,446.41 × 4,622,154.57
  4. Step 4: Simplify right side
    7,518,879.81x = 47,984,649,944,080.82
  5. Step 5: Solve for x
    x = 47,984,649,944,080.82/7,518,879.81
  6. Step 6: Final answer
    x = 6,381,888.15

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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.