Home / 12,995,109.60-19,487,998.80-6,603,237.60

Finding the Fourth Proportional to 12,995,109.60, 19,487,998.80 and 6,603,237.60

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Solution

The fourth proportional to 12,995,109.60, 19,487,998.80 and 6,603,237.60 is: 9,902,485.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,995,109.60 : 19,487,998.80 = 6,603,237.60 : x
  2. Step 2: Convert to fraction form
    12,995,109.60/19,487,998.80 = 6,603,237.60/x
  3. Step 3: Cross multiply
    12,995,109.60x = 19,487,998.80 × 6,603,237.60
  4. Step 4: Simplify right side
    12,995,109.60x = 128,683,886,424,914.88
  5. Step 5: Solve for x
    x = 128,683,886,424,914.88/12,995,109.60
  6. Step 6: Final answer
    x = 9,902,485.66

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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.