Home / 12,804,928.40-19,221,389.40-8,018,022.80

Finding the Fourth Proportional to 12,804,928.40, 19,221,389.40 and 8,018,022.80

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Solution

The fourth proportional to 12,804,928.40, 19,221,389.40 and 8,018,022.80 is: 12,035,798.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,804,928.40 : 19,221,389.40 = 8,018,022.80 : x
  2. Step 2: Convert to fraction form
    12,804,928.40/19,221,389.40 = 8,018,022.80/x
  3. Step 3: Cross multiply
    12,804,928.40x = 19,221,389.40 × 8,018,022.80
  4. Step 4: Simplify right side
    12,804,928.40x = 154,117,538,456,878.31
  5. Step 5: Solve for x
    x = 154,117,538,456,878.31/12,804,928.40
  6. Step 6: Final answer
    x = 12,035,798.53

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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.