Home / 30,196,032.79-45,290,657.25-8,339,519.22

Finding the Fourth Proportional to 30,196,032.79, 45,290,657.25 and 8,339,519.22

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Solution

The fourth proportional to 30,196,032.79, 45,290,657.25 and 8,339,519.22 is: 12,508,342.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,196,032.79 : 45,290,657.25 = 8,339,519.22 : x
  2. Step 2: Convert to fraction form
    30,196,032.79/45,290,657.25 = 8,339,519.22/x
  3. Step 3: Cross multiply
    30,196,032.79x = 45,290,657.25 × 8,339,519.22
  4. Step 4: Simplify right side
    30,196,032.79x = 377,702,306,622,807.31
  5. Step 5: Solve for x
    x = 377,702,306,622,807.31/30,196,032.79
  6. Step 6: Final answer
    x = 12,508,342.05

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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.