Home / 20,124,034.61-27,788,428.86-19,473,289.31

Finding the Fourth Proportional to 20,124,034.61, 27,788,428.86 and 19,473,289.31

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Solution

The fourth proportional to 20,124,034.61, 27,788,428.86 and 19,473,289.31 is: 26,889,842.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,124,034.61 : 27,788,428.86 = 19,473,289.31 : x
  2. Step 2: Convert to fraction form
    20,124,034.61/27,788,428.86 = 19,473,289.31/x
  3. Step 3: Cross multiply
    20,124,034.61x = 27,788,428.86 × 19,473,289.31
  4. Step 4: Simplify right side
    20,124,034.61x = 541,132,114,657,579.69
  5. Step 5: Solve for x
    x = 541,132,114,657,579.69/20,124,034.61
  6. Step 6: Final answer
    x = 26,889,842.19

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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.