Home / 13,047,938.40-19,571,907.60-12,418,082.40

Finding the Fourth Proportional to 13,047,938.40, 19,571,907.60 and 12,418,082.40

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Solution

The fourth proportional to 13,047,938.40, 19,571,907.60 and 12,418,082.40 is: 18,627,123.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,047,938.40 : 19,571,907.60 = 12,418,082.40 : x
  2. Step 2: Convert to fraction form
    13,047,938.40/19,571,907.60 = 12,418,082.40/x
  3. Step 3: Cross multiply
    13,047,938.40x = 19,571,907.60 × 12,418,082.40
  4. Step 4: Simplify right side
    13,047,938.40x = 243,045,561,301,986.28
  5. Step 5: Solve for x
    x = 243,045,561,301,986.28/13,047,938.40
  6. Step 6: Final answer
    x = 18,627,123.60

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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.