Home / 13,281,314.40-19,921,971.60-6,548,853.60

Finding the Fourth Proportional to 13,281,314.40, 19,921,971.60 and 6,548,853.60

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Solution

The fourth proportional to 13,281,314.40, 19,921,971.60 and 6,548,853.60 is: 9,823,280.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,281,314.40 : 19,921,971.60 = 6,548,853.60 : x
  2. Step 2: Convert to fraction form
    13,281,314.40/19,921,971.60 = 6,548,853.60/x
  3. Step 3: Cross multiply
    13,281,314.40x = 19,921,971.60 × 6,548,853.60
  4. Step 4: Simplify right side
    13,281,314.40x = 130,466,075,431,757.77
  5. Step 5: Solve for x
    x = 130,466,075,431,757.77/13,281,314.40
  6. Step 6: Final answer
    x = 9,823,280.40

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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.