Home / 30,196,030.29-45,290,653.50-8,339,516.72

Finding the Fourth Proportional to 30,196,030.29, 45,290,653.50 and 8,339,516.72

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Solution

The fourth proportional to 30,196,030.29, 45,290,653.50 and 8,339,516.72 is: 12,508,338.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,196,030.29 : 45,290,653.50 = 8,339,516.72 : x
  2. Step 2: Convert to fraction form
    30,196,030.29/45,290,653.50 = 8,339,516.72/x
  3. Step 3: Cross multiply
    30,196,030.29x = 45,290,653.50 × 8,339,516.72
  4. Step 4: Simplify right side
    30,196,030.29x = 377,702,161,868,043.69
  5. Step 5: Solve for x
    x = 377,702,161,868,043.69/30,196,030.29
  6. Step 6: Final answer
    x = 12,508,338.29

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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.