Home / 13,366,018.40-18,445,123.32-7,254,445.28

Finding the Fourth Proportional to 13,366,018.40, 18,445,123.32 and 7,254,445.28

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Solution

The fourth proportional to 13,366,018.40, 18,445,123.32 and 7,254,445.28 is: 10,011,144.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,366,018.40 : 18,445,123.32 = 7,254,445.28 : x
  2. Step 2: Convert to fraction form
    13,366,018.40/18,445,123.32 = 7,254,445.28/x
  3. Step 3: Cross multiply
    13,366,018.40x = 18,445,123.32 × 7,254,445.28
  4. Step 4: Simplify right side
    13,366,018.40x = 133,809,137,807,791.94
  5. Step 5: Solve for x
    x = 133,809,137,807,791.94/13,366,018.40
  6. Step 6: Final answer
    x = 10,011,144.22

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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.