Home / 7,886,940.30-10,889,742.15-5,097,713.46

Finding the Fourth Proportional to 7,886,940.30, 10,889,742.15 and 5,097,713.46

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Solution

The fourth proportional to 7,886,940.30, 10,889,742.15 and 5,097,713.46 is: 7,038,570.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,886,940.30 : 10,889,742.15 = 5,097,713.46 : x
  2. Step 2: Convert to fraction form
    7,886,940.30/10,889,742.15 = 5,097,713.46/x
  3. Step 3: Cross multiply
    7,886,940.30x = 10,889,742.15 × 5,097,713.46
  4. Step 4: Simplify right side
    7,886,940.30x = 55,512,785,133,984.34
  5. Step 5: Solve for x
    x = 55,512,785,133,984.34/7,886,940.30
  6. Step 6: Final answer
    x = 7,038,570.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.