Home / 12,995,117.60-19,488,010.80-6,603,245.60

Finding the Fourth Proportional to 12,995,117.60, 19,488,010.80 and 6,603,245.60

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Solution

The fourth proportional to 12,995,117.60, 19,488,010.80 and 6,603,245.60 is: 9,902,497.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,995,117.60 : 19,488,010.80 = 6,603,245.60 : x
  2. Step 2: Convert to fraction form
    12,995,117.60/19,488,010.80 = 6,603,245.60/x
  3. Step 3: Cross multiply
    12,995,117.60x = 19,488,010.80 × 6,603,245.60
  4. Step 4: Simplify right side
    12,995,117.60x = 128,684,121,567,852.48
  5. Step 5: Solve for x
    x = 128,684,121,567,852.48/12,995,117.60
  6. Step 6: Final answer
    x = 9,902,497.66

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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.