Home / 12,615,779.90-17,409,783.27-6,814,561.69

Finding the Fourth Proportional to 12,615,779.90, 17,409,783.27 and 6,814,561.69

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Solution

The fourth proportional to 12,615,779.90, 17,409,783.27 and 6,814,561.69 is: 9,404,098.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,615,779.90 : 17,409,783.27 = 6,814,561.69 : x
  2. Step 2: Convert to fraction form
    12,615,779.90/17,409,783.27 = 6,814,561.69/x
  3. Step 3: Cross multiply
    12,615,779.90x = 17,409,783.27 × 6,814,561.69
  4. Step 4: Simplify right side
    12,615,779.90x = 118,640,042,059,420.47
  5. Step 5: Solve for x
    x = 118,640,042,059,420.47/12,615,779.90
  6. Step 6: Final answer
    x = 9,404,098.91

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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.