Home / 38,238,443.37-52,768,386.23-20,834,931.60

Finding the Fourth Proportional to 38,238,443.37, 52,768,386.23 and 20,834,931.60

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Solution

The fourth proportional to 38,238,443.37, 52,768,386.23 and 20,834,931.60 is: 28,751,842.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,238,443.37 : 52,768,386.23 = 20,834,931.60 : x
  2. Step 2: Convert to fraction form
    38,238,443.37/52,768,386.23 = 20,834,931.60/x
  3. Step 3: Cross multiply
    38,238,443.37x = 52,768,386.23 × 20,834,931.60
  4. Step 4: Simplify right side
    38,238,443.37x = 1,099,425,717,640,257.38
  5. Step 5: Solve for x
    x = 1,099,425,717,640,257.38/38,238,443.37
  6. Step 6: Final answer
    x = 28,751,842.93

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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.