Home / 7,781,679.95-11,674,269.53-2,390,579.15

Finding the Fourth Proportional to 7,781,679.95, 11,674,269.53 and 2,390,579.15

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Solution

The fourth proportional to 7,781,679.95, 11,674,269.53 and 2,390,579.15 is: 3,586,406.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,781,679.95 : 11,674,269.53 = 2,390,579.15 : x
  2. Step 2: Convert to fraction form
    7,781,679.95/11,674,269.53 = 2,390,579.15/x
  3. Step 3: Cross multiply
    7,781,679.95x = 11,674,269.53 × 2,390,579.15
  4. Step 4: Simplify right side
    7,781,679.95x = 27,908,265,317,945.40
  5. Step 5: Solve for x
    x = 27,908,265,317,945.40/7,781,679.95
  6. Step 6: Final answer
    x = 3,586,406.21

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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.