Home / 10,990,146.40-16,477,539.60-6,500,111.20

Finding the Fourth Proportional to 10,990,146.40, 16,477,539.60 and 6,500,111.20

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Solution

The fourth proportional to 10,990,146.40, 16,477,539.60 and 6,500,111.20 is: 9,745,624.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,990,146.40 : 16,477,539.60 = 6,500,111.20 : x
  2. Step 2: Convert to fraction form
    10,990,146.40/16,477,539.60 = 6,500,111.20/x
  3. Step 3: Cross multiply
    10,990,146.40x = 16,477,539.60 × 6,500,111.20
  4. Step 4: Simplify right side
    10,990,146.40x = 107,105,839,702,403.52
  5. Step 5: Solve for x
    x = 107,105,839,702,403.52/10,990,146.40
  6. Step 6: Final answer
    x = 9,745,624.47

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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.