Home / 8,869,390.20-13,304,085.30-8,785,409.40

Finding the Fourth Proportional to 8,869,390.20, 13,304,085.30 and 8,785,409.40

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Solution

The fourth proportional to 8,869,390.20, 13,304,085.30 and 8,785,409.40 is: 13,178,114.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,869,390.20 : 13,304,085.30 = 8,785,409.40 : x
  2. Step 2: Convert to fraction form
    8,869,390.20/13,304,085.30 = 8,785,409.40/x
  3. Step 3: Cross multiply
    8,869,390.20x = 13,304,085.30 × 8,785,409.40
  4. Step 4: Simplify right side
    8,869,390.20x = 116,881,836,053,021.83
  5. Step 5: Solve for x
    x = 116,881,836,053,021.83/8,869,390.20
  6. Step 6: Final answer
    x = 13,178,114.10

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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.