Home / 8,928,457.69-12,321,220.79-4,954,689.10

Finding the Fourth Proportional to 8,928,457.69, 12,321,220.79 and 4,954,689.10

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Solution

The fourth proportional to 8,928,457.69, 12,321,220.79 and 4,954,689.10 is: 6,837,442.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,928,457.69 : 12,321,220.79 = 4,954,689.10 : x
  2. Step 2: Convert to fraction form
    8,928,457.69/12,321,220.79 = 4,954,689.10/x
  3. Step 3: Cross multiply
    8,928,457.69x = 12,321,220.79 × 4,954,689.10
  4. Step 4: Simplify right side
    8,928,457.69x = 61,047,818,346,824.52
  5. Step 5: Solve for x
    x = 61,047,818,346,824.52/8,928,457.69
  6. Step 6: Final answer
    x = 6,837,442.76

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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.