Home / 12,769,419.15-17,622,172.89-6,968,575.40

Finding the Fourth Proportional to 12,769,419.15, 17,622,172.89 and 6,968,575.40

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Solution

The fourth proportional to 12,769,419.15, 17,622,172.89 and 6,968,575.40 is: 9,616,838.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,769,419.15 : 17,622,172.89 = 6,968,575.40 : x
  2. Step 2: Convert to fraction form
    12,769,419.15/17,622,172.89 = 6,968,575.40/x
  3. Step 3: Cross multiply
    12,769,419.15x = 17,622,172.89 × 6,968,575.40
  4. Step 4: Simplify right side
    12,769,419.15x = 122,801,440,407,690.03
  5. Step 5: Solve for x
    x = 122,801,440,407,690.03/12,769,419.15
  6. Step 6: Final answer
    x = 9,616,838.40

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1.5x scale

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.