Home / 30,423,849.08-41,984,948.10-16,485,194.12

Finding the Fourth Proportional to 30,423,849.08, 41,984,948.10 and 16,485,194.12

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Solution

The fourth proportional to 30,423,849.08, 41,984,948.10 and 16,485,194.12 is: 22,749,587.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,423,849.08 : 41,984,948.10 = 16,485,194.12 : x
  2. Step 2: Convert to fraction form
    30,423,849.08/41,984,948.10 = 16,485,194.12/x
  3. Step 3: Cross multiply
    30,423,849.08x = 41,984,948.10 × 16,485,194.12
  4. Step 4: Simplify right side
    30,423,849.08x = 692,130,019,546,625.12
  5. Step 5: Solve for x
    x = 692,130,019,546,625.12/30,423,849.08
  6. Step 6: Final answer
    x = 22,749,587.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.