Home / 30,888,511.80-46,332,767.70-28,243,116.60

Finding the Fourth Proportional to 30,888,511.80, 46,332,767.70 and 28,243,116.60

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Solution

The fourth proportional to 30,888,511.80, 46,332,767.70 and 28,243,116.60 is: 42,364,674.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,888,511.80 : 46,332,767.70 = 28,243,116.60 : x
  2. Step 2: Convert to fraction form
    30,888,511.80/46,332,767.70 = 28,243,116.60/x
  3. Step 3: Cross multiply
    30,888,511.80x = 46,332,767.70 × 28,243,116.60
  4. Step 4: Simplify right side
    30,888,511.80x = 1,308,581,760,551,814
  5. Step 5: Solve for x
    x = 1,308,581,760,551,814/30,888,511.80
  6. Step 6: Final answer
    x = 42,364,674.90

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1.5x scale

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.