Home / 13,019,405.60-19,532,218.80-6,282,279.20

Finding the Fourth Proportional to 13,019,405.60, 19,532,218.80 and 6,282,279.20

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Solution

The fourth proportional to 13,019,405.60, 19,532,218.80 and 6,282,279.20 is: 9,424,919.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,019,405.60 : 19,532,218.80 = 6,282,279.20 : x
  2. Step 2: Convert to fraction form
    13,019,405.60/19,532,218.80 = 6,282,279.20/x
  3. Step 3: Cross multiply
    13,019,405.60x = 19,532,218.80 × 6,282,279.20
  4. Step 4: Simplify right side
    13,019,405.60x = 122,706,851,897,088.97
  5. Step 5: Solve for x
    x = 122,706,851,897,088.97/13,019,405.60
  6. Step 6: Final answer
    x = 9,424,919.67

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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.