Home / 7,307,312.40-10,960,968.60-7,013,379.60

Finding the Fourth Proportional to 7,307,312.40, 10,960,968.60 and 7,013,379.60

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Solution

The fourth proportional to 7,307,312.40, 10,960,968.60 and 7,013,379.60 is: 10,520,069.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,307,312.40 : 10,960,968.60 = 7,013,379.60 : x
  2. Step 2: Convert to fraction form
    7,307,312.40/10,960,968.60 = 7,013,379.60/x
  3. Step 3: Cross multiply
    7,307,312.40x = 10,960,968.60 × 7,013,379.60
  4. Step 4: Simplify right side
    7,307,312.40x = 76,873,433,575,480.55
  5. Step 5: Solve for x
    x = 76,873,433,575,480.55/7,307,312.40
  6. Step 6: Final answer
    x = 10,520,069.40

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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.