Home / 7,742,653.30-11,591,268.90-5,429,124.28

Finding the Fourth Proportional to 7,742,653.30, 11,591,268.90 and 5,429,124.28

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Solution

The fourth proportional to 7,742,653.30, 11,591,268.90 and 5,429,124.28 is: 8,127,761.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,742,653.30 : 11,591,268.90 = 5,429,124.28 : x
  2. Step 2: Convert to fraction form
    7,742,653.30/11,591,268.90 = 5,429,124.28/x
  3. Step 3: Cross multiply
    7,742,653.30x = 11,591,268.90 × 5,429,124.28
  4. Step 4: Simplify right side
    7,742,653.30x = 62,930,439,420,998.90
  5. Step 5: Solve for x
    x = 62,930,439,420,998.90/7,742,653.30
  6. Step 6: Final answer
    x = 8,127,761.50

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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.