Home / 8,808,559.20-13,212,838.80-7,464,866.40

Finding the Fourth Proportional to 8,808,559.20, 13,212,838.80 and 7,464,866.40

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Solution

The fourth proportional to 8,808,559.20, 13,212,838.80 and 7,464,866.40 is: 11,197,299.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,808,559.20 : 13,212,838.80 = 7,464,866.40 : x
  2. Step 2: Convert to fraction form
    8,808,559.20/13,212,838.80 = 7,464,866.40/x
  3. Step 3: Cross multiply
    8,808,559.20x = 13,212,838.80 × 7,464,866.40
  4. Step 4: Simplify right side
    8,808,559.20x = 98,632,076,406,736.33
  5. Step 5: Solve for x
    x = 98,632,076,406,736.33/8,808,559.20
  6. Step 6: Final answer
    x = 11,197,299.60

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Similar ratio
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1.5x scale

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.