Home / 8,426,395.17-11,628,421.39-4,756,081.55

Finding the Fourth Proportional to 8,426,395.17, 11,628,421.39 and 4,756,081.55

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Solution

The fourth proportional to 8,426,395.17, 11,628,421.39 and 4,756,081.55 is: 6,563,390.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,426,395.17 : 11,628,421.39 = 4,756,081.55 : x
  2. Step 2: Convert to fraction form
    8,426,395.17/11,628,421.39 = 4,756,081.55/x
  3. Step 3: Cross multiply
    8,426,395.17x = 11,628,421.39 × 4,756,081.55
  4. Step 4: Simplify right side
    8,426,395.17x = 55,305,720,428,604.35
  5. Step 5: Solve for x
    x = 55,305,720,428,604.35/8,426,395.17
  6. Step 6: Final answer
    x = 6,563,390.32

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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.