Home / 12,843,606.45-19,262,461.54-7,657,683.39

Finding the Fourth Proportional to 12,843,606.45, 19,262,461.54 and 7,657,683.39

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Solution

The fourth proportional to 12,843,606.45, 19,262,461.54 and 7,657,683.39 is: 11,484,767.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,843,606.45 : 19,262,461.54 = 7,657,683.39 : x
  2. Step 2: Convert to fraction form
    12,843,606.45/19,262,461.54 = 7,657,683.39/x
  3. Step 3: Cross multiply
    12,843,606.45x = 19,262,461.54 × 7,657,683.39
  4. Step 4: Simplify right side
    12,843,606.45x = 147,505,831,785,371.81
  5. Step 5: Solve for x
    x = 147,505,831,785,371.81/12,843,606.45
  6. Step 6: Final answer
    x = 11,484,767.33

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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.