Home / 30,501,256.64-42,101,170.08-19,636,232

Finding the Fourth Proportional to 30,501,256.64, 42,101,170.08 and 19,636,232

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Solution

The fourth proportional to 30,501,256.64, 42,101,170.08 and 19,636,232 is: 27,104,074.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,501,256.64 : 42,101,170.08 = 19,636,232 : x
  2. Step 2: Convert to fraction form
    30,501,256.64/42,101,170.08 = 19,636,232/x
  3. Step 3: Cross multiply
    30,501,256.64x = 42,101,170.08 × 19,636,232
  4. Step 4: Simplify right side
    30,501,256.64x = 826,708,343,162,338.50
  5. Step 5: Solve for x
    x = 826,708,343,162,338.50/30,501,256.64
  6. Step 6: Final answer
    x = 27,104,074.86

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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.