Home / 7,268,225.10-10,902,337.65-7,218,458.70

Finding the Fourth Proportional to 7,268,225.10, 10,902,337.65 and 7,218,458.70

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Solution

The fourth proportional to 7,268,225.10, 10,902,337.65 and 7,218,458.70 is: 10,827,688.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,268,225.10 : 10,902,337.65 = 7,218,458.70 : x
  2. Step 2: Convert to fraction form
    7,268,225.10/10,902,337.65 = 7,218,458.70/x
  3. Step 3: Cross multiply
    7,268,225.10x = 10,902,337.65 × 7,218,458.70
  4. Step 4: Simplify right side
    7,268,225.10x = 78,698,074,059,980.06
  5. Step 5: Solve for x
    x = 78,698,074,059,980.06/7,268,225.10
  6. Step 6: Final answer
    x = 10,827,688.05

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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.