Home / 19,679,659.80-29,528,015.40-10,571,130.15

Finding the Fourth Proportional to 19,679,659.80, 29,528,015.40 and 10,571,130.15

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Solution

The fourth proportional to 19,679,659.80, 29,528,015.40 and 10,571,130.15 is: 15,861,274.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,679,659.80 : 29,528,015.40 = 10,571,130.15 : x
  2. Step 2: Convert to fraction form
    19,679,659.80/29,528,015.40 = 10,571,130.15/x
  3. Step 3: Cross multiply
    19,679,659.80x = 29,528,015.40 × 10,571,130.15
  4. Step 4: Simplify right side
    19,679,659.80x = 312,144,493,864,604.31
  5. Step 5: Solve for x
    x = 312,144,493,864,604.31/19,679,659.80
  6. Step 6: Final answer
    x = 15,861,274.89

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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.