Home / 12,326,949.93-18,492,946.77-4,238,875.11

Finding the Fourth Proportional to 12,326,949.93, 18,492,946.77 and 4,238,875.11

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Solution

The fourth proportional to 12,326,949.93, 18,492,946.77 and 4,238,875.11 is: 6,359,179.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,326,949.93 : 18,492,946.77 = 4,238,875.11 : x
  2. Step 2: Convert to fraction form
    12,326,949.93/18,492,946.77 = 4,238,875.11/x
  3. Step 3: Cross multiply
    12,326,949.93x = 18,492,946.77 × 4,238,875.11
  4. Step 4: Simplify right side
    12,326,949.93x = 78,389,291,773,907.91
  5. Step 5: Solve for x
    x = 78,389,291,773,907.91/12,326,949.93
  6. Step 6: Final answer
    x = 6,359,179.86

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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.