Home / 18,872,053.40-28,303,399.91-8,088,131.36

Finding the Fourth Proportional to 18,872,053.40, 28,303,399.91 and 8,088,131.36

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Solution

The fourth proportional to 18,872,053.40, 28,303,399.91 and 8,088,131.36 is: 12,130,191.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,872,053.40 : 28,303,399.91 = 8,088,131.36 : x
  2. Step 2: Convert to fraction form
    18,872,053.40/28,303,399.91 = 8,088,131.36/x
  3. Step 3: Cross multiply
    18,872,053.40x = 28,303,399.91 × 8,088,131.36
  4. Step 4: Simplify right side
    18,872,053.40x = 228,921,616,285,395.53
  5. Step 5: Solve for x
    x = 228,921,616,285,395.53/18,872,053.40
  6. Step 6: Final answer
    x = 12,130,191.21

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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.