Home / 19,208,196.86-28,810,172.88-4,831,270.13

Finding the Fourth Proportional to 19,208,196.86, 28,810,172.88 and 4,831,270.13

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Solution

The fourth proportional to 19,208,196.86, 28,810,172.88 and 4,831,270.13 is: 7,246,371.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,208,196.86 : 28,810,172.88 = 4,831,270.13 : x
  2. Step 2: Convert to fraction form
    19,208,196.86/28,810,172.88 = 4,831,270.13/x
  3. Step 3: Cross multiply
    19,208,196.86x = 28,810,172.88 × 4,831,270.13
  4. Step 4: Simplify right side
    19,208,196.86x = 139,189,727,747,305.52
  5. Step 5: Solve for x
    x = 139,189,727,747,305.52/19,208,196.86
  6. Step 6: Final answer
    x = 7,246,371.37

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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.