Home / 13,443,366.93-18,551,761.59-7,642,148.94

Finding the Fourth Proportional to 13,443,366.93, 18,551,761.59 and 7,642,148.94

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Solution

The fourth proportional to 13,443,366.93, 18,551,761.59 and 7,642,148.94 is: 10,546,117.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,443,366.93 : 18,551,761.59 = 7,642,148.94 : x
  2. Step 2: Convert to fraction form
    13,443,366.93/18,551,761.59 = 7,642,148.94/x
  3. Step 3: Cross multiply
    13,443,366.93x = 18,551,761.59 × 7,642,148.94
  4. Step 4: Simplify right side
    13,443,366.93x = 141,775,325,170,151.22
  5. Step 5: Solve for x
    x = 141,775,325,170,151.22/13,443,366.93
  6. Step 6: Final answer
    x = 10,546,117.35

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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.