Home / 13,283,211.60-19,924,817.40-7,908,440.40

Finding the Fourth Proportional to 13,283,211.60, 19,924,817.40 and 7,908,440.40

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Solution

The fourth proportional to 13,283,211.60, 19,924,817.40 and 7,908,440.40 is: 11,862,660.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,283,211.60 : 19,924,817.40 = 7,908,440.40 : x
  2. Step 2: Convert to fraction form
    13,283,211.60/19,924,817.40 = 7,908,440.40/x
  3. Step 3: Cross multiply
    13,283,211.60x = 19,924,817.40 × 7,908,440.40
  4. Step 4: Simplify right side
    13,283,211.60x = 157,574,230,888,782.97
  5. Step 5: Solve for x
    x = 157,574,230,888,782.97/13,283,211.60
  6. Step 6: Final answer
    x = 11,862,660.60

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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.