Home / 6,112,010.40-9,168,015.60-5,421,137.10

Finding the Fourth Proportional to 6,112,010.40, 9,168,015.60 and 5,421,137.10

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Solution

The fourth proportional to 6,112,010.40, 9,168,015.60 and 5,421,137.10 is: 8,131,705.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,112,010.40 : 9,168,015.60 = 5,421,137.10 : x
  2. Step 2: Convert to fraction form
    6,112,010.40/9,168,015.60 = 5,421,137.10/x
  3. Step 3: Cross multiply
    6,112,010.40x = 9,168,015.60 × 5,421,137.10
  4. Step 4: Simplify right side
    6,112,010.40x = 49,701,069,502,538.76
  5. Step 5: Solve for x
    x = 49,701,069,502,538.76/6,112,010.40
  6. Step 6: Final answer
    x = 8,131,705.65

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1.5x scale

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.