Home / 10,867,403.40-16,301,105.10-8,157,054.30

Finding the Fourth Proportional to 10,867,403.40, 16,301,105.10 and 8,157,054.30

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Solution

The fourth proportional to 10,867,403.40, 16,301,105.10 and 8,157,054.30 is: 12,235,581.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,867,403.40 : 16,301,105.10 = 8,157,054.30 : x
  2. Step 2: Convert to fraction form
    10,867,403.40/16,301,105.10 = 8,157,054.30/x
  3. Step 3: Cross multiply
    10,867,403.40x = 16,301,105.10 × 8,157,054.30
  4. Step 4: Simplify right side
    10,867,403.40x = 132,968,999,450,706.92
  5. Step 5: Solve for x
    x = 132,968,999,450,706.92/10,867,403.40
  6. Step 6: Final answer
    x = 12,235,581.45

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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.