Home / 20,334,698.93-28,051,508.30-12,984,804.29

Finding the Fourth Proportional to 20,334,698.93, 28,051,508.30 and 12,984,804.29

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Solution

The fourth proportional to 20,334,698.93, 28,051,508.30 and 12,984,804.29 is: 17,912,404.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,334,698.93 : 28,051,508.30 = 12,984,804.29 : x
  2. Step 2: Convert to fraction form
    20,334,698.93/28,051,508.30 = 12,984,804.29/x
  3. Step 3: Cross multiply
    20,334,698.93x = 28,051,508.30 × 12,984,804.29
  4. Step 4: Simplify right side
    20,334,698.93x = 364,243,345,109,629.06
  5. Step 5: Solve for x
    x = 364,243,345,109,629.06/20,334,698.93
  6. Step 6: Final answer
    x = 17,912,404.14

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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.