Home / 30,000,667.54-45,000,673.25-7,281,564.79

Finding the Fourth Proportional to 30,000,667.54, 45,000,673.25 and 7,281,564.79

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Solution

The fourth proportional to 30,000,667.54, 45,000,673.25 and 7,281,564.79 is: 10,922,267.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,000,667.54 : 45,000,673.25 = 7,281,564.79 : x
  2. Step 2: Convert to fraction form
    30,000,667.54/45,000,673.25 = 7,281,564.79/x
  3. Step 3: Cross multiply
    30,000,667.54x = 45,000,673.25 × 7,281,564.79
  4. Step 4: Simplify right side
    30,000,667.54x = 327,675,317,744,062.38
  5. Step 5: Solve for x
    x = 327,675,317,744,062.38/30,000,667.54
  6. Step 6: Final answer
    x = 10,922,267.56

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1.5x scale

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.