Home / 30,074,730.82-45,121,811.64-13,911,284.96

Finding the Fourth Proportional to 30,074,730.82, 45,121,811.64 and 13,911,284.96

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Solution

The fourth proportional to 30,074,730.82, 45,121,811.64 and 13,911,284.96 is: 20,871,421.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,074,730.82 : 45,121,811.64 = 13,911,284.96 : x
  2. Step 2: Convert to fraction form
    30,074,730.82/45,121,811.64 = 13,911,284.96/x
  3. Step 3: Cross multiply
    30,074,730.82x = 45,121,811.64 × 13,911,284.96
  4. Step 4: Simplify right side
    30,074,730.82x = 627,702,379,635,485
  5. Step 5: Solve for x
    x = 627,702,379,635,485/30,074,730.82
  6. Step 6: Final answer
    x = 20,871,421.37

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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.