Home / 7,640,923.86-10,544,499.81-4,203,426.42

Finding the Fourth Proportional to 7,640,923.86, 10,544,499.81 and 4,203,426.42

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Solution

The fourth proportional to 7,640,923.86, 10,544,499.81 and 4,203,426.42 is: 5,800,742.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,640,923.86 : 10,544,499.81 = 4,203,426.42 : x
  2. Step 2: Convert to fraction form
    7,640,923.86/10,544,499.81 = 4,203,426.42/x
  3. Step 3: Cross multiply
    7,640,923.86x = 10,544,499.81 × 4,203,426.42
  4. Step 4: Simplify right side
    7,640,923.86x = 44,323,029,087,038.98
  5. Step 5: Solve for x
    x = 44,323,029,087,038.98/7,640,923.86
  6. Step 6: Final answer
    x = 5,800,742.15

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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.