Home / 7,038,544.80-10,578,812.40-6,912,573.60

Finding the Fourth Proportional to 7,038,544.80, 10,578,812.40 and 6,912,573.60

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Solution

The fourth proportional to 7,038,544.80, 10,578,812.40 and 6,912,573.60 is: 10,389,479.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,038,544.80 : 10,578,812.40 = 6,912,573.60 : x
  2. Step 2: Convert to fraction form
    7,038,544.80/10,578,812.40 = 6,912,573.60/x
  3. Step 3: Cross multiply
    7,038,544.80x = 10,578,812.40 × 6,912,573.60
  4. Step 4: Simplify right side
    7,038,544.80x = 73,126,819,315,592.64
  5. Step 5: Solve for x
    x = 73,126,819,315,592.64/7,038,544.80
  6. Step 6: Final answer
    x = 10,389,479.84

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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.