Home / 12,881,648.40-19,324,805.40-6,475,779.60

Finding the Fourth Proportional to 12,881,648.40, 19,324,805.40 and 6,475,779.60

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Solution

The fourth proportional to 12,881,648.40, 19,324,805.40 and 6,475,779.60 is: 9,714,842.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,881,648.40 : 19,324,805.40 = 6,475,779.60 : x
  2. Step 2: Convert to fraction form
    12,881,648.40/19,324,805.40 = 6,475,779.60/x
  3. Step 3: Cross multiply
    12,881,648.40x = 19,324,805.40 × 6,475,779.60
  4. Step 4: Simplify right side
    12,881,648.40x = 125,143,180,583,289.83
  5. Step 5: Solve for x
    x = 125,143,180,583,289.83/12,881,648.40
  6. Step 6: Final answer
    x = 9,714,842.13

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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.