Home / 7,021,431.22-9,688,895.22-4,407,099.62

Finding the Fourth Proportional to 7,021,431.22, 9,688,895.22 and 4,407,099.62

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Solution

The fourth proportional to 7,021,431.22, 9,688,895.22 and 4,407,099.62 is: 6,081,370.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,021,431.22 : 9,688,895.22 = 4,407,099.62 : x
  2. Step 2: Convert to fraction form
    7,021,431.22/9,688,895.22 = 4,407,099.62/x
  3. Step 3: Cross multiply
    7,021,431.22x = 9,688,895.22 × 4,407,099.62
  4. Step 4: Simplify right side
    7,021,431.22x = 42,699,926,442,281.82
  5. Step 5: Solve for x
    x = 42,699,926,442,281.82/7,021,431.22
  6. Step 6: Final answer
    x = 6,081,370.75

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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.