Home / 7,318,903.20-10,103,655.60-4,872,962.40

Finding the Fourth Proportional to 7,318,903.20, 10,103,655.60 and 4,872,962.40

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Solution

The fourth proportional to 7,318,903.20, 10,103,655.60 and 4,872,962.40 is: 6,727,064.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,318,903.20 : 10,103,655.60 = 4,872,962.40 : x
  2. Step 2: Convert to fraction form
    7,318,903.20/10,103,655.60 = 4,872,962.40/x
  3. Step 3: Cross multiply
    7,318,903.20x = 10,103,655.60 × 4,872,962.40
  4. Step 4: Simplify right side
    7,318,903.20x = 49,234,733,841,349.45
  5. Step 5: Solve for x
    x = 49,234,733,841,349.45/7,318,903.20
  6. Step 6: Final answer
    x = 6,727,064.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.