Home / 7,887,712-11,832,875.34-2,768,813.72

Finding the Fourth Proportional to 7,887,712, 11,832,875.34 and 2,768,813.72

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Solution

The fourth proportional to 7,887,712, 11,832,875.34 and 2,768,813.72 is: 4,153,679.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,887,712 : 11,832,875.34 = 2,768,813.72 : x
  2. Step 2: Convert to fraction form
    7,887,712/11,832,875.34 = 2,768,813.72/x
  3. Step 3: Cross multiply
    7,887,712x = 11,832,875.34 × 2,768,813.72
  4. Step 4: Simplify right side
    7,887,712x = 32,763,027,588,441.67
  5. Step 5: Solve for x
    x = 32,763,027,588,441.67/7,887,712
  6. Step 6: Final answer
    x = 4,153,679.49

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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.