Home / 7,115,401.60-10,680,100.80-3,525,222.40

Finding the Fourth Proportional to 7,115,401.60, 10,680,100.80 and 3,525,222.40

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Solution

The fourth proportional to 7,115,401.60, 10,680,100.80 and 3,525,222.40 is: 5,291,300.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,115,401.60 : 10,680,100.80 = 3,525,222.40 : x
  2. Step 2: Convert to fraction form
    7,115,401.60/10,680,100.80 = 3,525,222.40/x
  3. Step 3: Cross multiply
    7,115,401.60x = 10,680,100.80 × 3,525,222.40
  4. Step 4: Simplify right side
    7,115,401.60x = 37,649,730,574,417.92
  5. Step 5: Solve for x
    x = 37,649,730,574,417.92/7,115,401.60
  6. Step 6: Final answer
    x = 5,291,300.86

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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.