Home / 28,012,916.70-41,996,047.05-11,851,278.30

Finding the Fourth Proportional to 28,012,916.70, 41,996,047.05 and 11,851,278.30

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Solution

The fourth proportional to 28,012,916.70, 41,996,047.05 and 11,851,278.30 is: 17,767,048.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,012,916.70 : 41,996,047.05 = 11,851,278.30 : x
  2. Step 2: Convert to fraction form
    28,012,916.70/41,996,047.05 = 11,851,278.30/x
  3. Step 3: Cross multiply
    28,012,916.70x = 41,996,047.05 × 11,851,278.30
  4. Step 4: Simplify right side
    28,012,916.70x = 497,706,841,089,444
  5. Step 5: Solve for x
    x = 497,706,841,089,444/28,012,916.70
  6. Step 6: Final answer
    x = 17,767,048.19

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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.