Home / 30,655,657.90-45,975,647.67-9,085,228.30

Finding the Fourth Proportional to 30,655,657.90, 45,975,647.67 and 9,085,228.30

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Solution

The fourth proportional to 30,655,657.90, 45,975,647.67 and 9,085,228.30 is: 13,625,519.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,655,657.90 : 45,975,647.67 = 9,085,228.30 : x
  2. Step 2: Convert to fraction form
    30,655,657.90/45,975,647.67 = 9,085,228.30/x
  3. Step 3: Cross multiply
    30,655,657.90x = 45,975,647.67 × 9,085,228.30
  4. Step 4: Simplify right side
    30,655,657.90x = 417,699,255,322,313.12
  5. Step 5: Solve for x
    x = 417,699,255,322,313.12/30,655,657.90
  6. Step 6: Final answer
    x = 13,625,519.20

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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.