Home / 19,208,129.49-28,810,072.15-4,831,202.93

Finding the Fourth Proportional to 19,208,129.49, 28,810,072.15 and 4,831,202.93

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Solution

The fourth proportional to 19,208,129.49, 28,810,072.15 and 4,831,202.93 is: 7,246,270.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,208,129.49 : 28,810,072.15 = 4,831,202.93 : x
  2. Step 2: Convert to fraction form
    19,208,129.49/28,810,072.15 = 4,831,202.93/x
  3. Step 3: Cross multiply
    19,208,129.49x = 28,810,072.15 × 4,831,202.93
  4. Step 4: Simplify right side
    19,208,129.49x = 139,187,304,828,463.03
  5. Step 5: Solve for x
    x = 139,187,304,828,463.03/19,208,129.49
  6. Step 6: Final answer
    x = 7,246,270.64

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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.