Home / 5,390,205.80-8,085,308.70-5,000,482.40

Finding the Fourth Proportional to 5,390,205.80, 8,085,308.70 and 5,000,482.40

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Solution

The fourth proportional to 5,390,205.80, 8,085,308.70 and 5,000,482.40 is: 7,500,723.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,390,205.80 : 8,085,308.70 = 5,000,482.40 : x
  2. Step 2: Convert to fraction form
    5,390,205.80/8,085,308.70 = 5,000,482.40/x
  3. Step 3: Cross multiply
    5,390,205.80x = 8,085,308.70 × 5,000,482.40
  4. Step 4: Simplify right side
    5,390,205.80x = 40,430,443,852,916.88
  5. Step 5: Solve for x
    x = 40,430,443,852,916.88/5,390,205.80
  6. Step 6: Final answer
    x = 7,500,723.60

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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.