Home / 30,506,431.37-45,759,632.48-7,787,321.33

Finding the Fourth Proportional to 30,506,431.37, 45,759,632.48 and 7,787,321.33

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Solution

The fourth proportional to 30,506,431.37, 45,759,632.48 and 7,787,321.33 is: 11,680,978.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,506,431.37 : 45,759,632.48 = 7,787,321.33 : x
  2. Step 2: Convert to fraction form
    30,506,431.37/45,759,632.48 = 7,787,321.33/x
  3. Step 3: Cross multiply
    30,506,431.37x = 45,759,632.48 × 7,787,321.33
  4. Step 4: Simplify right side
    30,506,431.37x = 356,344,962,025,528.19
  5. Step 5: Solve for x
    x = 356,344,962,025,528.19/30,506,431.37
  6. Step 6: Final answer
    x = 11,680,978.27

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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.