Home / 6,911,548.80-10,366,141.56-1,861,678.32

Finding the Fourth Proportional to 6,911,548.80, 10,366,141.56 and 1,861,678.32

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Solution

The fourth proportional to 6,911,548.80, 10,366,141.56 and 1,861,678.32 is: 2,792,199.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,911,548.80 : 10,366,141.56 = 1,861,678.32 : x
  2. Step 2: Convert to fraction form
    6,911,548.80/10,366,141.56 = 1,861,678.32/x
  3. Step 3: Cross multiply
    6,911,548.80x = 10,366,141.56 × 1,861,678.32
  4. Step 4: Simplify right side
    6,911,548.80x = 19,298,421,004,302.98
  5. Step 5: Solve for x
    x = 19,298,421,004,302.98/6,911,548.80
  6. Step 6: Final answer
    x = 2,792,199.20

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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.