Home / 7,938,916.04-11,905,168.62-3,078,663.56

Finding the Fourth Proportional to 7,938,916.04, 11,905,168.62 and 3,078,663.56

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Solution

The fourth proportional to 7,938,916.04, 11,905,168.62 and 3,078,663.56 is: 4,616,752.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,938,916.04 : 11,905,168.62 = 3,078,663.56 : x
  2. Step 2: Convert to fraction form
    7,938,916.04/11,905,168.62 = 3,078,663.56/x
  3. Step 3: Cross multiply
    7,938,916.04x = 11,905,168.62 × 3,078,663.56
  4. Step 4: Simplify right side
    7,938,916.04x = 36,652,008,806,049.48
  5. Step 5: Solve for x
    x = 36,652,008,806,049.48/7,938,916.04
  6. Step 6: Final answer
    x = 4,616,752.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.