Home / 10,740,087.40-16,118,943.90-10,656,106.60

Finding the Fourth Proportional to 10,740,087.40, 16,118,943.90 and 10,656,106.60

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Solution

The fourth proportional to 10,740,087.40, 16,118,943.90 and 10,656,106.60 is: 15,992,903.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,740,087.40 : 16,118,943.90 = 10,656,106.60 : x
  2. Step 2: Convert to fraction form
    10,740,087.40/16,118,943.90 = 10,656,106.60/x
  3. Step 3: Cross multiply
    10,740,087.40x = 16,118,943.90 × 10,656,106.60
  4. Step 4: Simplify right side
    10,740,087.40x = 171,765,184,477,819.75
  5. Step 5: Solve for x
    x = 171,765,184,477,819.75/10,740,087.40
  6. Step 6: Final answer
    x = 15,992,903.79

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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.