Home / 21,630,783.48-29,818,678.88-16,465,147.80

Finding the Fourth Proportional to 21,630,783.48, 29,818,678.88 and 16,465,147.80

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Solution

The fourth proportional to 21,630,783.48, 29,818,678.88 and 16,465,147.80 is: 22,697,696.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,630,783.48 : 29,818,678.88 = 16,465,147.80 : x
  2. Step 2: Convert to fraction form
    21,630,783.48/29,818,678.88 = 16,465,147.80/x
  3. Step 3: Cross multiply
    21,630,783.48x = 29,818,678.88 × 16,465,147.80
  4. Step 4: Simplify right side
    21,630,783.48x = 490,968,954,959,938.50
  5. Step 5: Solve for x
    x = 490,968,954,959,938.50/21,630,783.48
  6. Step 6: Final answer
    x = 22,697,696.34

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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.