Home / 12,145,277.63-18,221,106.45-4,364,977.15

Finding the Fourth Proportional to 12,145,277.63, 18,221,106.45 and 4,364,977.15

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Solution

The fourth proportional to 12,145,277.63, 18,221,106.45 and 4,364,977.15 is: 6,548,612.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,145,277.63 : 18,221,106.45 = 4,364,977.15 : x
  2. Step 2: Convert to fraction form
    12,145,277.63/18,221,106.45 = 4,364,977.15/x
  3. Step 3: Cross multiply
    12,145,277.63x = 18,221,106.45 × 4,364,977.15
  4. Step 4: Simplify right side
    12,145,277.63x = 79,534,713,301,967.62
  5. Step 5: Solve for x
    x = 79,534,713,301,967.62/12,145,277.63
  6. Step 6: Final answer
    x = 6,548,612.20

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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.