Home / 7,771,211.60-11,656,817.40-5,233,125.20

Finding the Fourth Proportional to 7,771,211.60, 11,656,817.40 and 5,233,125.20

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Solution

The fourth proportional to 7,771,211.60, 11,656,817.40 and 5,233,125.20 is: 7,849,687.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,771,211.60 : 11,656,817.40 = 5,233,125.20 : x
  2. Step 2: Convert to fraction form
    7,771,211.60/11,656,817.40 = 5,233,125.20/x
  3. Step 3: Cross multiply
    7,771,211.60x = 11,656,817.40 × 5,233,125.20
  4. Step 4: Simplify right side
    7,771,211.60x = 61,001,584,887,738.48
  5. Step 5: Solve for x
    x = 61,001,584,887,738.48/7,771,211.60
  6. Step 6: Final answer
    x = 7,849,687.80

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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.