Home / 13,307,852.47-19,968,811.67-9,442,291.41

Finding the Fourth Proportional to 13,307,852.47, 19,968,811.67 and 9,442,291.41

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Solution

The fourth proportional to 13,307,852.47, 19,968,811.67 and 9,442,291.41 is: 14,168,427.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,307,852.47 : 19,968,811.67 = 9,442,291.41 : x
  2. Step 2: Convert to fraction form
    13,307,852.47/19,968,811.67 = 9,442,291.41/x
  3. Step 3: Cross multiply
    13,307,852.47x = 19,968,811.67 × 9,442,291.41
  4. Step 4: Simplify right side
    13,307,852.47x = 188,551,338,887,745.88
  5. Step 5: Solve for x
    x = 188,551,338,887,745.88/13,307,852.47
  6. Step 6: Final answer
    x = 14,168,427.20

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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.