Home / 30,806,750.35-46,142,012.93-21,068,284.58

Finding the Fourth Proportional to 30,806,750.35, 46,142,012.93 and 21,068,284.58

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Solution

The fourth proportional to 30,806,750.35, 46,142,012.93 and 21,068,284.58 is: 31,555,845.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,806,750.35 : 46,142,012.93 = 21,068,284.58 : x
  2. Step 2: Convert to fraction form
    30,806,750.35/46,142,012.93 = 21,068,284.58/x
  3. Step 3: Cross multiply
    30,806,750.35x = 46,142,012.93 × 21,068,284.58
  4. Step 4: Simplify right side
    30,806,750.35x = 972,133,059,458,769.75
  5. Step 5: Solve for x
    x = 972,133,059,458,769.75/30,806,750.35
  6. Step 6: Final answer
    x = 31,555,845.66

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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.