Home / 13,021,869.80-17,966,515.34-10,259,994.98

Finding the Fourth Proportional to 13,021,869.80, 17,966,515.34 and 10,259,994.98

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Solution

The fourth proportional to 13,021,869.80, 17,966,515.34 and 10,259,994.98 is: 14,155,905.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,021,869.80 : 17,966,515.34 = 10,259,994.98 : x
  2. Step 2: Convert to fraction form
    13,021,869.80/17,966,515.34 = 10,259,994.98/x
  3. Step 3: Cross multiply
    13,021,869.80x = 17,966,515.34 × 10,259,994.98
  4. Step 4: Simplify right side
    13,021,869.80x = 184,336,357,055,360.44
  5. Step 5: Solve for x
    x = 184,336,357,055,360.44/13,021,869.80
  6. Step 6: Final answer
    x = 14,155,905.41

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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.