Home / 7,578,258.16-10,457,872.68-4,140,425.20

Finding the Fourth Proportional to 7,578,258.16, 10,457,872.68 and 4,140,425.20

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Solution

The fourth proportional to 7,578,258.16, 10,457,872.68 and 4,140,425.20 is: 5,713,719.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,578,258.16 : 10,457,872.68 = 4,140,425.20 : x
  2. Step 2: Convert to fraction form
    7,578,258.16/10,457,872.68 = 4,140,425.20/x
  3. Step 3: Cross multiply
    7,578,258.16x = 10,457,872.68 × 4,140,425.20
  4. Step 4: Simplify right side
    7,578,258.16x = 43,300,039,582,663.54
  5. Step 5: Solve for x
    x = 43,300,039,582,663.54/7,578,258.16
  6. Step 6: Final answer
    x = 5,713,719.26

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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.