Home / 8,736,187.20-13,104,280.80-8,064,340.80

Finding the Fourth Proportional to 8,736,187.20, 13,104,280.80 and 8,064,340.80

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Solution

The fourth proportional to 8,736,187.20, 13,104,280.80 and 8,064,340.80 is: 12,096,511.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,736,187.20 : 13,104,280.80 = 8,064,340.80 : x
  2. Step 2: Convert to fraction form
    8,736,187.20/13,104,280.80 = 8,064,340.80/x
  3. Step 3: Cross multiply
    8,736,187.20x = 13,104,280.80 × 8,064,340.80
  4. Step 4: Simplify right side
    8,736,187.20x = 105,677,386,310,096.64
  5. Step 5: Solve for x
    x = 105,677,386,310,096.64/8,736,187.20
  6. Step 6: Final answer
    x = 12,096,511.20

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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.