Home / 9,780,768.90-14,671,153.35-3,388,896.90

Finding the Fourth Proportional to 9,780,768.90, 14,671,153.35 and 3,388,896.90

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Solution

The fourth proportional to 9,780,768.90, 14,671,153.35 and 3,388,896.90 is: 5,083,345.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,780,768.90 : 14,671,153.35 = 3,388,896.90 : x
  2. Step 2: Convert to fraction form
    9,780,768.90/14,671,153.35 = 3,388,896.90/x
  3. Step 3: Cross multiply
    9,780,768.90x = 14,671,153.35 × 3,388,896.90
  4. Step 4: Simplify right side
    9,780,768.90x = 49,719,026,107,239.61
  5. Step 5: Solve for x
    x = 49,719,026,107,239.61/9,780,768.90
  6. Step 6: Final answer
    x = 5,083,345.35

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.