Home / 7,020,784.40-10,531,176.60-4,627,331.60

Finding the Fourth Proportional to 7,020,784.40, 10,531,176.60 and 4,627,331.60

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Solution

The fourth proportional to 7,020,784.40, 10,531,176.60 and 4,627,331.60 is: 6,940,997.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,020,784.40 : 10,531,176.60 = 4,627,331.60 : x
  2. Step 2: Convert to fraction form
    7,020,784.40/10,531,176.60 = 4,627,331.60/x
  3. Step 3: Cross multiply
    7,020,784.40x = 10,531,176.60 × 4,627,331.60
  4. Step 4: Simplify right side
    7,020,784.40x = 48,731,246,266,360.55
  5. Step 5: Solve for x
    x = 48,731,246,266,360.55/7,020,784.40
  6. Step 6: Final answer
    x = 6,940,997.40

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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.