Home / 23,302,688.38-32,171,488.76-20,717,215.57

Finding the Fourth Proportional to 23,302,688.38, 32,171,488.76 and 20,717,215.57

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Solution

The fourth proportional to 23,302,688.38, 32,171,488.76 and 20,717,215.57 is: 28,602,007.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,302,688.38 : 32,171,488.76 = 20,717,215.57 : x
  2. Step 2: Convert to fraction form
    23,302,688.38/32,171,488.76 = 20,717,215.57/x
  3. Step 3: Cross multiply
    23,302,688.38x = 32,171,488.76 × 20,717,215.57
  4. Step 4: Simplify right side
    23,302,688.38x = 666,503,667,848,752
  5. Step 5: Solve for x
    x = 666,503,667,848,752/23,302,688.38
  6. Step 6: Final answer
    x = 28,602,007.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.