Home / 39,442,848.92-59,170,630.87-12,149,128.98

Finding the Fourth Proportional to 39,442,848.92, 59,170,630.87 and 12,149,128.98

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Solution

The fourth proportional to 39,442,848.92, 59,170,630.87 and 12,149,128.98 is: 18,225,651.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,442,848.92 : 59,170,630.87 = 12,149,128.98 : x
  2. Step 2: Convert to fraction form
    39,442,848.92/59,170,630.87 = 12,149,128.98/x
  3. Step 3: Cross multiply
    39,442,848.92x = 59,170,630.87 × 12,149,128.98
  4. Step 4: Simplify right side
    39,442,848.92x = 718,871,626,237,226.88
  5. Step 5: Solve for x
    x = 718,871,626,237,226.88/39,442,848.92
  6. Step 6: Final answer
    x = 18,225,651.70

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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.