Home / 7,179,638.80-10,769,458.20-6,549,782.80

Finding the Fourth Proportional to 7,179,638.80, 10,769,458.20 and 6,549,782.80

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Solution

The fourth proportional to 7,179,638.80, 10,769,458.20 and 6,549,782.80 is: 9,824,674.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,179,638.80 : 10,769,458.20 = 6,549,782.80 : x
  2. Step 2: Convert to fraction form
    7,179,638.80/10,769,458.20 = 6,549,782.80/x
  3. Step 3: Cross multiply
    7,179,638.80x = 10,769,458.20 × 6,549,782.80
  4. Step 4: Simplify right side
    7,179,638.80x = 70,537,612,083,678.95
  5. Step 5: Solve for x
    x = 70,537,612,083,678.95/7,179,638.80
  6. Step 6: Final answer
    x = 9,824,674.20

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Double scale
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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.