Home / 8,779,765.89-13,174,189.77-6,370,780.23

Finding the Fourth Proportional to 8,779,765.89, 13,174,189.77 and 6,370,780.23

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Solution

The fourth proportional to 8,779,765.89, 13,174,189.77 and 6,370,780.23 is: 9,559,465.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,779,765.89 : 13,174,189.77 = 6,370,780.23 : x
  2. Step 2: Convert to fraction form
    8,779,765.89/13,174,189.77 = 6,370,780.23/x
  3. Step 3: Cross multiply
    8,779,765.89x = 13,174,189.77 × 6,370,780.23
  4. Step 4: Simplify right side
    8,779,765.89x = 83,929,867,732,984.25
  5. Step 5: Solve for x
    x = 83,929,867,732,984.25/8,779,765.89
  6. Step 6: Final answer
    x = 9,559,465.34

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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.