Home / 12,776,881.68-17,631,827.28-6,975,383.04

Finding the Fourth Proportional to 12,776,881.68, 17,631,827.28 and 6,975,383.04

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Solution

The fourth proportional to 12,776,881.68, 17,631,827.28 and 6,975,383.04 is: 9,625,881.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,776,881.68 : 17,631,827.28 = 6,975,383.04 : x
  2. Step 2: Convert to fraction form
    12,776,881.68/17,631,827.28 = 6,975,383.04/x
  3. Step 3: Cross multiply
    12,776,881.68x = 17,631,827.28 × 6,975,383.04
  4. Step 4: Simplify right side
    12,776,881.68x = 122,988,748,973,121.34
  5. Step 5: Solve for x
    x = 122,988,748,973,121.34/12,776,881.68
  6. Step 6: Final answer
    x = 9,625,881.50

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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.