Home / 7,985,728.28-11,980,607.85-2,228,457.11

Finding the Fourth Proportional to 7,985,728.28, 11,980,607.85 and 2,228,457.11

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Solution

The fourth proportional to 7,985,728.28, 11,980,607.85 and 2,228,457.11 is: 3,343,248.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,985,728.28 : 11,980,607.85 = 2,228,457.11 : x
  2. Step 2: Convert to fraction form
    7,985,728.28/11,980,607.85 = 2,228,457.11/x
  3. Step 3: Cross multiply
    7,985,728.28x = 11,980,607.85 × 2,228,457.11
  4. Step 4: Simplify right side
    7,985,728.28x = 26,698,270,685,551.27
  5. Step 5: Solve for x
    x = 26,698,270,685,551.27/7,985,728.28
  6. Step 6: Final answer
    x = 3,343,248.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.