Home / 21,778,050.86-30,046,940.44-12,357,283.44

Finding the Fourth Proportional to 21,778,050.86, 30,046,940.44 and 12,357,283.44

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Solution

The fourth proportional to 21,778,050.86, 30,046,940.44 and 12,357,283.44 is: 17,049,209.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,778,050.86 : 30,046,940.44 = 12,357,283.44 : x
  2. Step 2: Convert to fraction form
    21,778,050.86/30,046,940.44 = 12,357,283.44/x
  3. Step 3: Cross multiply
    21,778,050.86x = 30,046,940.44 × 12,357,283.44
  4. Step 4: Simplify right side
    21,778,050.86x = 371,298,559,521,878.31
  5. Step 5: Solve for x
    x = 371,298,559,521,878.31/21,778,050.86
  6. Step 6: Final answer
    x = 17,049,209.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.