Home / 7,918,515.60-11,877,773.40-5,902,976.40

Finding the Fourth Proportional to 7,918,515.60, 11,877,773.40 and 5,902,976.40

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Solution

The fourth proportional to 7,918,515.60, 11,877,773.40 and 5,902,976.40 is: 8,854,464.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,918,515.60 : 11,877,773.40 = 5,902,976.40 : x
  2. Step 2: Convert to fraction form
    7,918,515.60/11,877,773.40 = 5,902,976.40/x
  3. Step 3: Cross multiply
    7,918,515.60x = 11,877,773.40 × 5,902,976.40
  4. Step 4: Simplify right side
    7,918,515.60x = 70,114,216,064,747.77
  5. Step 5: Solve for x
    x = 70,114,216,064,747.77/7,918,515.60
  6. Step 6: Final answer
    x = 8,854,464.60

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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.