Home / 13,366,442.75-18,445,726.49-7,254,871.25

Finding the Fourth Proportional to 13,366,442.75, 18,445,726.49 and 7,254,871.25

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Solution

The fourth proportional to 13,366,442.75, 18,445,726.49 and 7,254,871.25 is: 10,011,741.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,366,442.75 : 18,445,726.49 = 7,254,871.25 : x
  2. Step 2: Convert to fraction form
    13,366,442.75/18,445,726.49 = 7,254,871.25/x
  3. Step 3: Cross multiply
    13,366,442.75x = 18,445,726.49 × 7,254,871.25
  4. Step 4: Simplify right side
    13,366,442.75x = 133,821,370,669,161.42
  5. Step 5: Solve for x
    x = 133,821,370,669,161.42/13,366,442.75
  6. Step 6: Final answer
    x = 10,011,741.58

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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.