Home / 19,763,491.62-29,602,061.88-8,213,941.86

Finding the Fourth Proportional to 19,763,491.62, 29,602,061.88 and 8,213,941.86

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Solution

The fourth proportional to 19,763,491.62, 29,602,061.88 and 8,213,941.86 is: 12,302,968.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,763,491.62 : 29,602,061.88 = 8,213,941.86 : x
  2. Step 2: Convert to fraction form
    19,763,491.62/29,602,061.88 = 8,213,941.86/x
  3. Step 3: Cross multiply
    19,763,491.62x = 29,602,061.88 × 8,213,941.86
  4. Step 4: Simplify right side
    19,763,491.62x = 243,149,615,218,442.31
  5. Step 5: Solve for x
    x = 243,149,615,218,442.31/19,763,491.62
  6. Step 6: Final answer
    x = 12,302,968.52

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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.