Home / 30,501,250.64-42,101,161.80-19,636,226

Finding the Fourth Proportional to 30,501,250.64, 42,101,161.80 and 19,636,226

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Solution

The fourth proportional to 30,501,250.64, 42,101,161.80 and 19,636,226 is: 27,104,066.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,501,250.64 : 42,101,161.80 = 19,636,226 : x
  2. Step 2: Convert to fraction form
    30,501,250.64/42,101,161.80 = 19,636,226/x
  3. Step 3: Cross multiply
    30,501,250.64x = 42,101,161.80 × 19,636,226
  4. Step 4: Simplify right side
    30,501,250.64x = 826,707,927,967,366.75
  5. Step 5: Solve for x
    x = 826,707,927,967,366.75/30,501,250.64
  6. Step 6: Final answer
    x = 27,104,066.58

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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.