Home / 12,441,073.78-18,658,811.30-4,462,897.78

Finding the Fourth Proportional to 12,441,073.78, 18,658,811.30 and 4,462,897.78

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Solution

The fourth proportional to 12,441,073.78, 18,658,811.30 and 4,462,897.78 is: 6,693,342.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,441,073.78 : 18,658,811.30 = 4,462,897.78 : x
  2. Step 2: Convert to fraction form
    12,441,073.78/18,658,811.30 = 4,462,897.78/x
  3. Step 3: Cross multiply
    12,441,073.78x = 18,658,811.30 × 4,462,897.78
  4. Step 4: Simplify right side
    12,441,073.78x = 83,272,367,492,719.12
  5. Step 5: Solve for x
    x = 83,272,367,492,719.12/12,441,073.78
  6. Step 6: Final answer
    x = 6,693,342.47

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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.