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Finding the Fourth Proportional to 9,671,509.02, 13,346,792.49 and 5,541,457.32

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Solution

The fourth proportional to 9,671,509.02, 13,346,792.49 and 5,541,457.32 is: 7,647,274.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,671,509.02 : 13,346,792.49 = 5,541,457.32 : x
  2. Step 2: Convert to fraction form
    9,671,509.02/13,346,792.49 = 5,541,457.32/x
  3. Step 3: Cross multiply
    9,671,509.02x = 13,346,792.49 × 5,541,457.32
  4. Step 4: Simplify right side
    9,671,509.02x = 73,960,680,942,231.53
  5. Step 5: Solve for x
    x = 73,960,680,942,231.53/9,671,509.02
  6. Step 6: Final answer
    x = 7,647,274.15

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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.