Home / 11,918,897.54-16,447,768.90-6,958,289.46

Finding the Fourth Proportional to 11,918,897.54, 16,447,768.90 and 6,958,289.46

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Solution

The fourth proportional to 11,918,897.54, 16,447,768.90 and 6,958,289.46 is: 9,602,258.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,918,897.54 : 16,447,768.90 = 6,958,289.46 : x
  2. Step 2: Convert to fraction form
    11,918,897.54/16,447,768.90 = 6,958,289.46/x
  3. Step 3: Cross multiply
    11,918,897.54x = 16,447,768.90 × 6,958,289.46
  4. Step 4: Simplify right side
    11,918,897.54x = 114,448,336,977,385.80
  5. Step 5: Solve for x
    x = 114,448,336,977,385.80/11,918,897.54
  6. Step 6: Final answer
    x = 9,602,258.65

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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.