Home / 13,009,974.70-17,953,747.50-7,209,132.16

Finding the Fourth Proportional to 13,009,974.70, 17,953,747.50 and 7,209,132.16

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Solution

The fourth proportional to 13,009,974.70, 17,953,747.50 and 7,209,132.16 is: 9,948,592.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,009,974.70 : 17,953,747.50 = 7,209,132.16 : x
  2. Step 2: Convert to fraction form
    13,009,974.70/17,953,747.50 = 7,209,132.16/x
  3. Step 3: Cross multiply
    13,009,974.70x = 17,953,747.50 × 7,209,132.16
  4. Step 4: Simplify right side
    13,009,974.70x = 129,430,938,494,769.61
  5. Step 5: Solve for x
    x = 129,430,938,494,769.61/13,009,974.70
  6. Step 6: Final answer
    x = 9,948,592.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.