Home / 8,736,986.40-13,105,479.60-6,186,069.60

Finding the Fourth Proportional to 8,736,986.40, 13,105,479.60 and 6,186,069.60

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Solution

The fourth proportional to 8,736,986.40, 13,105,479.60 and 6,186,069.60 is: 9,279,104.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,736,986.40 : 13,105,479.60 = 6,186,069.60 : x
  2. Step 2: Convert to fraction form
    8,736,986.40/13,105,479.60 = 6,186,069.60/x
  3. Step 3: Cross multiply
    8,736,986.40x = 13,105,479.60 × 6,186,069.60
  4. Step 4: Simplify right side
    8,736,986.40x = 81,071,408,946,980.16
  5. Step 5: Solve for x
    x = 81,071,408,946,980.16/8,736,986.40
  6. Step 6: Final answer
    x = 9,279,104.40

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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.