Home / 30,265,844.78-45,406,371.04-8,700,485.52

Finding the Fourth Proportional to 30,265,844.78, 45,406,371.04 and 8,700,485.52

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Solution

The fourth proportional to 30,265,844.78, 45,406,371.04 and 8,700,485.52 is: 13,052,914.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,265,844.78 : 45,406,371.04 = 8,700,485.52 : x
  2. Step 2: Convert to fraction form
    30,265,844.78/45,406,371.04 = 8,700,485.52/x
  3. Step 3: Cross multiply
    30,265,844.78x = 45,406,371.04 × 8,700,485.52
  4. Step 4: Simplify right side
    30,265,844.78x = 395,057,473,749,267.31
  5. Step 5: Solve for x
    x = 395,057,473,749,267.31/30,265,844.78
  6. Step 6: Final answer
    x = 13,052,914.16

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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.