Home / 42,911,460.70-64,395,811.34-15,617,745.86

Finding the Fourth Proportional to 42,911,460.70, 64,395,811.34 and 15,617,745.86

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Solution

The fourth proportional to 42,911,460.70, 64,395,811.34 and 15,617,745.86 is: 23,437,035.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,911,460.70 : 64,395,811.34 = 15,617,745.86 : x
  2. Step 2: Convert to fraction form
    42,911,460.70/64,395,811.34 = 15,617,745.86/x
  3. Step 3: Cross multiply
    42,911,460.70x = 64,395,811.34 × 15,617,745.86
  4. Step 4: Simplify right side
    42,911,460.70x = 1,005,717,415,956,626.12
  5. Step 5: Solve for x
    x = 1,005,717,415,956,626.12/42,911,460.70
  6. Step 6: Final answer
    x = 23,437,035.22

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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.