Home / 8,860,945.20-13,291,417.80-2,129,359.20

Finding the Fourth Proportional to 8,860,945.20, 13,291,417.80 and 2,129,359.20

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Solution

The fourth proportional to 8,860,945.20, 13,291,417.80 and 2,129,359.20 is: 3,194,038.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,860,945.20 : 13,291,417.80 = 2,129,359.20 : x
  2. Step 2: Convert to fraction form
    8,860,945.20/13,291,417.80 = 2,129,359.20/x
  3. Step 3: Cross multiply
    8,860,945.20x = 13,291,417.80 × 2,129,359.20
  4. Step 4: Simplify right side
    8,860,945.20x = 28,302,202,773,473.77
  5. Step 5: Solve for x
    x = 28,302,202,773,473.77/8,860,945.20
  6. Step 6: Final answer
    x = 3,194,038.80

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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.