Home / 9,479,612.90-13,095,258.10-7,543,396.19

Finding the Fourth Proportional to 9,479,612.90, 13,095,258.10 and 7,543,396.19

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Solution

The fourth proportional to 9,479,612.90, 13,095,258.10 and 7,543,396.19 is: 10,420,543.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,479,612.90 : 13,095,258.10 = 7,543,396.19 : x
  2. Step 2: Convert to fraction form
    9,479,612.90/13,095,258.10 = 7,543,396.19/x
  3. Step 3: Cross multiply
    9,479,612.90x = 13,095,258.10 × 7,543,396.19
  4. Step 4: Simplify right side
    9,479,612.90x = 98,782,720,072,486.30
  5. Step 5: Solve for x
    x = 98,782,720,072,486.30/9,479,612.90
  6. Step 6: Final answer
    x = 10,420,543.65

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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.