Home / 6,128,728.76-8,457,019.81-3,773,552.51

Finding the Fourth Proportional to 6,128,728.76, 8,457,019.81 and 3,773,552.51

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Solution

The fourth proportional to 6,128,728.76, 8,457,019.81 and 3,773,552.51 is: 5,207,117.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,128,728.76 : 8,457,019.81 = 3,773,552.51 : x
  2. Step 2: Convert to fraction form
    6,128,728.76/8,457,019.81 = 3,773,552.51/x
  3. Step 3: Cross multiply
    6,128,728.76x = 8,457,019.81 × 3,773,552.51
  4. Step 4: Simplify right side
    6,128,728.76x = 31,913,008,353,467.01
  5. Step 5: Solve for x
    x = 31,913,008,353,467.01/6,128,728.76
  6. Step 6: Final answer
    x = 5,207,117.10

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Double scale
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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.