Home / 21,630,782.84-29,818,678.03-16,465,147.16

Finding the Fourth Proportional to 21,630,782.84, 29,818,678.03 and 16,465,147.16

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Solution

The fourth proportional to 21,630,782.84, 29,818,678.03 and 16,465,147.16 is: 22,697,695.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,630,782.84 : 29,818,678.03 = 16,465,147.16 : x
  2. Step 2: Convert to fraction form
    21,630,782.84/29,818,678.03 = 16,465,147.16/x
  3. Step 3: Cross multiply
    21,630,782.84x = 29,818,678.03 × 16,465,147.16
  4. Step 4: Simplify right side
    21,630,782.84x = 490,968,921,690,352.62
  5. Step 5: Solve for x
    x = 490,968,921,690,352.62/21,630,782.84
  6. Step 6: Final answer
    x = 22,697,695.48

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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.