Home / 18,759,857.77-28,142,056.38-6,626,838.31

Finding the Fourth Proportional to 18,759,857.77, 28,142,056.38 and 6,626,838.31

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Solution

The fourth proportional to 18,759,857.77, 28,142,056.38 and 6,626,838.31 is: 9,941,059.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,759,857.77 : 28,142,056.38 = 6,626,838.31 : x
  2. Step 2: Convert to fraction form
    18,759,857.77/28,142,056.38 = 6,626,838.31/x
  3. Step 3: Cross multiply
    18,759,857.77x = 28,142,056.38 × 6,626,838.31
  4. Step 4: Simplify right side
    18,759,857.77x = 186,492,857,341,163.91
  5. Step 5: Solve for x
    x = 186,492,857,341,163.91/18,759,857.77
  6. Step 6: Final answer
    x = 9,941,059.24

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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.