Home / 19,133,481.42-28,700,329.29-4,756,548.69

Finding the Fourth Proportional to 19,133,481.42, 28,700,329.29 and 4,756,548.69

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Solution

The fourth proportional to 19,133,481.42, 28,700,329.29 and 4,756,548.69 is: 7,134,849.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,133,481.42 : 28,700,329.29 = 4,756,548.69 : x
  2. Step 2: Convert to fraction form
    19,133,481.42/28,700,329.29 = 4,756,548.69/x
  3. Step 3: Cross multiply
    19,133,481.42x = 28,700,329.29 × 4,756,548.69
  4. Step 4: Simplify right side
    19,133,481.42x = 136,514,513,686,918.14
  5. Step 5: Solve for x
    x = 136,514,513,686,918.14/19,133,481.42
  6. Step 6: Final answer
    x = 7,134,849.67

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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.