Home / 9,078,187.20-13,617,280.80-5,295,940.80

Finding the Fourth Proportional to 9,078,187.20, 13,617,280.80 and 5,295,940.80

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Solution

The fourth proportional to 9,078,187.20, 13,617,280.80 and 5,295,940.80 is: 7,943,911.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,078,187.20 : 13,617,280.80 = 5,295,940.80 : x
  2. Step 2: Convert to fraction form
    9,078,187.20/13,617,280.80 = 5,295,940.80/x
  3. Step 3: Cross multiply
    9,078,187.20x = 13,617,280.80 × 5,295,940.80
  4. Step 4: Simplify right side
    9,078,187.20x = 72,116,312,973,776.64
  5. Step 5: Solve for x
    x = 72,116,312,973,776.64/9,078,187.20
  6. Step 6: Final answer
    x = 7,943,911.20

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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.