Home / 9,315,819.20-13,973,728.80-7,048,337.60

Finding the Fourth Proportional to 9,315,819.20, 13,973,728.80 and 7,048,337.60

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Solution

The fourth proportional to 9,315,819.20, 13,973,728.80 and 7,048,337.60 is: 10,572,506.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,315,819.20 : 13,973,728.80 = 7,048,337.60 : x
  2. Step 2: Convert to fraction form
    9,315,819.20/13,973,728.80 = 7,048,337.60/x
  3. Step 3: Cross multiply
    9,315,819.20x = 13,973,728.80 × 7,048,337.60
  4. Step 4: Simplify right side
    9,315,819.20x = 98,491,558,113,242.88
  5. Step 5: Solve for x
    x = 98,491,558,113,242.88/9,315,819.20
  6. Step 6: Final answer
    x = 10,572,506.40

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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.