Home / 12,651,864.18-18,973,865.74-4,563,789

Finding the Fourth Proportional to 12,651,864.18, 18,973,865.74 and 4,563,789

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Solution

The fourth proportional to 12,651,864.18, 18,973,865.74 and 4,563,789 is: 6,844,265.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,651,864.18 : 18,973,865.74 = 4,563,789 : x
  2. Step 2: Convert to fraction form
    12,651,864.18/18,973,865.74 = 4,563,789/x
  3. Step 3: Cross multiply
    12,651,864.18x = 18,973,865.74 × 4,563,789
  4. Step 4: Simplify right side
    12,651,864.18x = 86,592,719,751,688.86
  5. Step 5: Solve for x
    x = 86,592,719,751,688.86/12,651,864.18
  6. Step 6: Final answer
    x = 6,844,265.68

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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.