Home / 13,887,690.59-20,832,532.34-4,789,654.40

Finding the Fourth Proportional to 13,887,690.59, 20,832,532.34 and 4,789,654.40

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Solution

The fourth proportional to 13,887,690.59, 20,832,532.34 and 4,789,654.40 is: 7,184,825.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,887,690.59 : 20,832,532.34 = 4,789,654.40 : x
  2. Step 2: Convert to fraction form
    13,887,690.59/20,832,532.34 = 4,789,654.40/x
  3. Step 3: Cross multiply
    13,887,690.59x = 20,832,532.34 × 4,789,654.40
  4. Step 4: Simplify right side
    13,887,690.59x = 99,780,630,240,498.16
  5. Step 5: Solve for x
    x = 99,780,630,240,498.16/13,887,690.59
  6. Step 6: Final answer
    x = 7,184,825.27

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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.