Home / 19,559,615.20-29,318,427.60-7,424,389.60

Finding the Fourth Proportional to 19,559,615.20, 29,318,427.60 and 7,424,389.60

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Solution

The fourth proportional to 19,559,615.20, 29,318,427.60 and 7,424,389.60 is: 11,128,615.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,559,615.20 : 29,318,427.60 = 7,424,389.60 : x
  2. Step 2: Convert to fraction form
    19,559,615.20/29,318,427.60 = 7,424,389.60/x
  3. Step 3: Cross multiply
    19,559,615.20x = 29,318,427.60 × 7,424,389.60
  4. Step 4: Simplify right side
    19,559,615.20x = 217,671,428,961,792.97
  5. Step 5: Solve for x
    x = 217,671,428,961,792.97/19,559,615.20
  6. Step 6: Final answer
    x = 11,128,615.09

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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.