Home / 8,778,333.69-12,113,279.06-5,470,321.23

Finding the Fourth Proportional to 8,778,333.69, 12,113,279.06 and 5,470,321.23

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Solution

The fourth proportional to 8,778,333.69, 12,113,279.06 and 5,470,321.23 is: 7,548,531.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,778,333.69 : 12,113,279.06 = 5,470,321.23 : x
  2. Step 2: Convert to fraction form
    8,778,333.69/12,113,279.06 = 5,470,321.23/x
  3. Step 3: Cross multiply
    8,778,333.69x = 12,113,279.06 × 5,470,321.23
  4. Step 4: Simplify right side
    8,778,333.69x = 66,263,527,579,480.84
  5. Step 5: Solve for x
    x = 66,263,527,579,480.84/8,778,333.69
  6. Step 6: Final answer
    x = 7,548,531.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.