Home / 7,999,642.23-11,039,423.46-4,328,477.81

Finding the Fourth Proportional to 7,999,642.23, 11,039,423.46 and 4,328,477.81

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Solution

The fourth proportional to 7,999,642.23, 11,039,423.46 and 4,328,477.81 is: 5,973,254.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,999,642.23 : 11,039,423.46 = 4,328,477.81 : x
  2. Step 2: Convert to fraction form
    7,999,642.23/11,039,423.46 = 4,328,477.81/x
  3. Step 3: Cross multiply
    7,999,642.23x = 11,039,423.46 × 4,328,477.81
  4. Step 4: Simplify right side
    7,999,642.23x = 47,783,899,451,772.35
  5. Step 5: Solve for x
    x = 47,783,899,451,772.35/7,999,642.23
  6. Step 6: Final answer
    x = 5,973,254.57

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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.