Home / 7,005,779.28-10,509,112.26-2,961,513.18

Finding the Fourth Proportional to 7,005,779.28, 10,509,112.26 and 2,961,513.18

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Solution

The fourth proportional to 7,005,779.28, 10,509,112.26 and 2,961,513.18 is: 4,442,457.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,005,779.28 : 10,509,112.26 = 2,961,513.18 : x
  2. Step 2: Convert to fraction form
    7,005,779.28/10,509,112.26 = 2,961,513.18/x
  3. Step 3: Cross multiply
    7,005,779.28x = 10,509,112.26 × 2,961,513.18
  4. Step 4: Simplify right side
    7,005,779.28x = 31,122,874,468,089.59
  5. Step 5: Solve for x
    x = 31,122,874,468,089.59/7,005,779.28
  6. Step 6: Final answer
    x = 4,442,457.18

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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.