Home / 12,187,440.90-18,281,161.35-5,004,130.05

Finding the Fourth Proportional to 12,187,440.90, 18,281,161.35 and 5,004,130.05

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Solution

The fourth proportional to 12,187,440.90, 18,281,161.35 and 5,004,130.05 is: 7,506,195.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,187,440.90 : 18,281,161.35 = 5,004,130.05 : x
  2. Step 2: Convert to fraction form
    12,187,440.90/18,281,161.35 = 5,004,130.05/x
  3. Step 3: Cross multiply
    12,187,440.90x = 18,281,161.35 × 5,004,130.05
  4. Step 4: Simplify right side
    12,187,440.90x = 91,481,308,860,433.58
  5. Step 5: Solve for x
    x = 91,481,308,860,433.58/12,187,440.90
  6. Step 6: Final answer
    x = 7,506,195.08

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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.