Home / 30,667,986.72-45,997,100.64-10,196,007.84

Finding the Fourth Proportional to 30,667,986.72, 45,997,100.64 and 10,196,007.84

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Solution

The fourth proportional to 30,667,986.72, 45,997,100.64 and 10,196,007.84 is: 15,292,389.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,667,986.72 : 45,997,100.64 = 10,196,007.84 : x
  2. Step 2: Convert to fraction form
    30,667,986.72/45,997,100.64 = 10,196,007.84/x
  3. Step 3: Cross multiply
    30,667,986.72x = 45,997,100.64 × 10,196,007.84
  4. Step 4: Simplify right side
    30,667,986.72x = 468,986,798,742,709
  5. Step 5: Solve for x
    x = 468,986,798,742,709/30,667,986.72
  6. Step 6: Final answer
    x = 15,292,389.52

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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.