Home / 21,740,946.48-30,003,236.74-12,798,443.10

Finding the Fourth Proportional to 21,740,946.48, 30,003,236.74 and 12,798,443.10

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Solution

The fourth proportional to 21,740,946.48, 30,003,236.74 and 12,798,443.10 is: 17,662,281.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,740,946.48 : 30,003,236.74 = 12,798,443.10 : x
  2. Step 2: Convert to fraction form
    21,740,946.48/30,003,236.74 = 12,798,443.10/x
  3. Step 3: Cross multiply
    21,740,946.48x = 30,003,236.74 × 12,798,443.10
  4. Step 4: Simplify right side
    21,740,946.48x = 383,994,718,232,719.44
  5. Step 5: Solve for x
    x = 383,994,718,232,719.44/21,740,946.48
  6. Step 6: Final answer
    x = 17,662,281.57

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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.