Home / 8,420,134.77-12,630,117.96-2,662,869.40

Finding the Fourth Proportional to 8,420,134.77, 12,630,117.96 and 2,662,869.40

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Solution

The fourth proportional to 8,420,134.77, 12,630,117.96 and 2,662,869.40 is: 3,994,277.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,420,134.77 : 12,630,117.96 = 2,662,869.40 : x
  2. Step 2: Convert to fraction form
    8,420,134.77/12,630,117.96 = 2,662,869.40/x
  3. Step 3: Cross multiply
    8,420,134.77x = 12,630,117.96 × 2,662,869.40
  4. Step 4: Simplify right side
    8,420,134.77x = 33,632,354,602,499.13
  5. Step 5: Solve for x
    x = 33,632,354,602,499.13/8,420,134.77
  6. Step 6: Final answer
    x = 3,994,277.47

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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.