Home / 9,190,699.70-12,683,259.45-5,061,114.86

Finding the Fourth Proportional to 9,190,699.70, 12,683,259.45 and 5,061,114.86

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Solution

The fourth proportional to 9,190,699.70, 12,683,259.45 and 5,061,114.86 is: 6,984,390.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,190,699.70 : 12,683,259.45 = 5,061,114.86 : x
  2. Step 2: Convert to fraction form
    9,190,699.70/12,683,259.45 = 5,061,114.86/x
  3. Step 3: Cross multiply
    9,190,699.70x = 12,683,259.45 × 5,061,114.86
  4. Step 4: Simplify right side
    9,190,699.70x = 64,191,432,907,338.57
  5. Step 5: Solve for x
    x = 64,191,432,907,338.57/9,190,699.70
  6. Step 6: Final answer
    x = 6,984,390.20

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1.5x scale

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.