Home / 12,219,590.81-18,331,746.56-4,645,967.69

Finding the Fourth Proportional to 12,219,590.81, 18,331,746.56 and 4,645,967.69

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Solution

The fourth proportional to 12,219,590.81, 18,331,746.56 and 4,645,967.69 is: 6,969,848.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,219,590.81 : 18,331,746.56 = 4,645,967.69 : x
  2. Step 2: Convert to fraction form
    12,219,590.81/18,331,746.56 = 4,645,967.69/x
  3. Step 3: Cross multiply
    12,219,590.81x = 18,331,746.56 × 4,645,967.69
  4. Step 4: Simplify right side
    12,219,590.81x = 85,168,702,259,050.55
  5. Step 5: Solve for x
    x = 85,168,702,259,050.55/12,219,590.81
  6. Step 6: Final answer
    x = 6,969,848.96

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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.