Home / 13,009,976.70-17,953,750.26-7,209,134.16

Finding the Fourth Proportional to 13,009,976.70, 17,953,750.26 and 7,209,134.16

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Solution

The fourth proportional to 13,009,976.70, 17,953,750.26 and 7,209,134.16 is: 9,948,595.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,009,976.70 : 17,953,750.26 = 7,209,134.16 : x
  2. Step 2: Convert to fraction form
    13,009,976.70/17,953,750.26 = 7,209,134.16/x
  3. Step 3: Cross multiply
    13,009,976.70x = 17,953,750.26 × 7,209,134.16
  4. Step 4: Simplify right side
    13,009,976.70x = 129,430,994,299,474.89
  5. Step 5: Solve for x
    x = 129,430,994,299,474.89/13,009,976.70
  6. Step 6: Final answer
    x = 9,948,595.40

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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.