Home / 30,660,606.07-42,300,951.60-19,653,424.81

Finding the Fourth Proportional to 30,660,606.07, 42,300,951.60 and 19,653,424.81

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Solution

The fourth proportional to 30,660,606.07, 42,300,951.60 and 19,653,424.81 is: 27,114,877.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,660,606.07 : 42,300,951.60 = 19,653,424.81 : x
  2. Step 2: Convert to fraction form
    30,660,606.07/42,300,951.60 = 19,653,424.81/x
  3. Step 3: Cross multiply
    30,660,606.07x = 42,300,951.60 × 19,653,424.81
  4. Step 4: Simplify right side
    30,660,606.07x = 831,358,571,629,997.12
  5. Step 5: Solve for x
    x = 831,358,571,629,997.12/30,660,606.07
  6. Step 6: Final answer
    x = 27,114,877.31

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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.