Home / 10,931,515-15,085,491.78-6,102,619

Finding the Fourth Proportional to 10,931,515, 15,085,491.78 and 6,102,619

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Solution

The fourth proportional to 10,931,515, 15,085,491.78 and 6,102,619 is: 8,421,614.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,931,515 : 15,085,491.78 = 6,102,619 : x
  2. Step 2: Convert to fraction form
    10,931,515/15,085,491.78 = 6,102,619/x
  3. Step 3: Cross multiply
    10,931,515x = 15,085,491.78 × 6,102,619
  4. Step 4: Simplify right side
    10,931,515x = 92,061,008,760,971.81
  5. Step 5: Solve for x
    x = 92,061,008,760,971.81/10,931,515
  6. Step 6: Final answer
    x = 8,421,614.82

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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.