Home / 7,128,036.60-10,707,801.30-6,860,347.80

Finding the Fourth Proportional to 7,128,036.60, 10,707,801.30 and 6,860,347.80

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Solution

The fourth proportional to 7,128,036.60, 10,707,801.30 and 6,860,347.80 is: 10,305,676.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,128,036.60 : 10,707,801.30 = 6,860,347.80 : x
  2. Step 2: Convert to fraction form
    7,128,036.60/10,707,801.30 = 6,860,347.80/x
  3. Step 3: Cross multiply
    7,128,036.60x = 10,707,801.30 × 6,860,347.80
  4. Step 4: Simplify right side
    7,128,036.60x = 73,459,241,091,292.14
  5. Step 5: Solve for x
    x = 73,459,241,091,292.14/7,128,036.60
  6. Step 6: Final answer
    x = 10,305,676.75

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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.