Home / 13,285,643.80-19,928,465.70-13,173,669.40

Finding the Fourth Proportional to 13,285,643.80, 19,928,465.70 and 13,173,669.40

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Solution

The fourth proportional to 13,285,643.80, 19,928,465.70 and 13,173,669.40 is: 19,760,504.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,285,643.80 : 19,928,465.70 = 13,173,669.40 : x
  2. Step 2: Convert to fraction form
    13,285,643.80/19,928,465.70 = 13,173,669.40/x
  3. Step 3: Cross multiply
    13,285,643.80x = 19,928,465.70 × 13,173,669.40
  4. Step 4: Simplify right side
    13,285,643.80x = 262,531,018,781,039.56
  5. Step 5: Solve for x
    x = 262,531,018,781,039.56/13,285,643.80
  6. Step 6: Final answer
    x = 19,760,504.10

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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.