Home / 18,759,853.78-28,142,050.37-6,626,834.32

Finding the Fourth Proportional to 18,759,853.78, 28,142,050.37 and 6,626,834.32

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Solution

The fourth proportional to 18,759,853.78, 28,142,050.37 and 6,626,834.32 is: 9,941,053.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,759,853.78 : 28,142,050.37 = 6,626,834.32 : x
  2. Step 2: Convert to fraction form
    18,759,853.78/28,142,050.37 = 6,626,834.32/x
  3. Step 3: Cross multiply
    18,759,853.78x = 28,142,050.37 × 6,626,834.32
  4. Step 4: Simplify right side
    18,759,853.78x = 186,492,705,213,644.31
  5. Step 5: Solve for x
    x = 186,492,705,213,644.31/18,759,853.78
  6. Step 6: Final answer
    x = 9,941,053.24

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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.