Home / 19,041,721.31-28,562,519.70-6,911,168.60

Finding the Fourth Proportional to 19,041,721.31, 28,562,519.70 and 6,911,168.60

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Solution

The fourth proportional to 19,041,721.31, 28,562,519.70 and 6,911,168.60 is: 10,366,730.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,041,721.31 : 28,562,519.70 = 6,911,168.60 : x
  2. Step 2: Convert to fraction form
    19,041,721.31/28,562,519.70 = 6,911,168.60/x
  3. Step 3: Cross multiply
    19,041,721.31x = 28,562,519.70 × 6,911,168.60
  4. Step 4: Simplify right side
    19,041,721.31x = 197,400,389,358,927.72
  5. Step 5: Solve for x
    x = 197,400,389,358,927.72/19,041,721.31
  6. Step 6: Final answer
    x = 10,366,730.30

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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.