Home / 8,791,136.45-12,127,903.81-5,304,530.53

Finding the Fourth Proportional to 8,791,136.45, 12,127,903.81 and 5,304,530.53

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Solution

The fourth proportional to 8,791,136.45, 12,127,903.81 and 5,304,530.53 is: 7,317,920.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,791,136.45 : 12,127,903.81 = 5,304,530.53 : x
  2. Step 2: Convert to fraction form
    8,791,136.45/12,127,903.81 = 5,304,530.53/x
  3. Step 3: Cross multiply
    8,791,136.45x = 12,127,903.81 × 5,304,530.53
  4. Step 4: Simplify right side
    8,791,136.45x = 64,332,836,026,946.87
  5. Step 5: Solve for x
    x = 64,332,836,026,946.87/8,791,136.45
  6. Step 6: Final answer
    x = 7,317,920.32

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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.