Home / 7,104,020.80-10,656,031.20-7,054,254.40

Finding the Fourth Proportional to 7,104,020.80, 10,656,031.20 and 7,054,254.40

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Solution

The fourth proportional to 7,104,020.80, 10,656,031.20 and 7,054,254.40 is: 10,581,381.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,104,020.80 : 10,656,031.20 = 7,054,254.40 : x
  2. Step 2: Convert to fraction form
    7,104,020.80/10,656,031.20 = 7,054,254.40/x
  3. Step 3: Cross multiply
    7,104,020.80x = 10,656,031.20 × 7,054,254.40
  4. Step 4: Simplify right side
    7,104,020.80x = 75,170,354,979,137.28
  5. Step 5: Solve for x
    x = 75,170,354,979,137.28/7,104,020.80
  6. Step 6: Final answer
    x = 10,581,381.60

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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.