Home / 7,578,252.66-10,457,865.09-4,140,419.70

Finding the Fourth Proportional to 7,578,252.66, 10,457,865.09 and 4,140,419.70

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Solution

The fourth proportional to 7,578,252.66, 10,457,865.09 and 4,140,419.70 is: 5,713,711.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,578,252.66 : 10,457,865.09 = 4,140,419.70 : x
  2. Step 2: Convert to fraction form
    7,578,252.66/10,457,865.09 = 4,140,419.70/x
  3. Step 3: Cross multiply
    7,578,252.66x = 10,457,865.09 × 4,140,419.70
  4. Step 4: Simplify right side
    7,578,252.66x = 43,299,950,638,578.27
  5. Step 5: Solve for x
    x = 43,299,950,638,578.27/7,578,252.66
  6. Step 6: Final answer
    x = 5,713,711.67

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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.