Home / 20,429,554.84-28,193,098.47-11,137,130.35

Finding the Fourth Proportional to 20,429,554.84, 28,193,098.47 and 11,137,130.35

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Solution

The fourth proportional to 20,429,554.84, 28,193,098.47 and 11,137,130.35 is: 15,369,410.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,429,554.84 : 28,193,098.47 = 11,137,130.35 : x
  2. Step 2: Convert to fraction form
    20,429,554.84/28,193,098.47 = 11,137,130.35/x
  3. Step 3: Cross multiply
    20,429,554.84x = 28,193,098.47 × 11,137,130.35
  4. Step 4: Simplify right side
    20,429,554.84x = 313,990,212,630,775.56
  5. Step 5: Solve for x
    x = 313,990,212,630,775.56/20,429,554.84
  6. Step 6: Final answer
    x = 15,369,410.40

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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.