Home / 11,808,675.40-17,713,013.10-8,155,510.60

Finding the Fourth Proportional to 11,808,675.40, 17,713,013.10 and 8,155,510.60

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Solution

The fourth proportional to 11,808,675.40, 17,713,013.10 and 8,155,510.60 is: 12,233,265.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,808,675.40 : 17,713,013.10 = 8,155,510.60 : x
  2. Step 2: Convert to fraction form
    11,808,675.40/17,713,013.10 = 8,155,510.60/x
  3. Step 3: Cross multiply
    11,808,675.40x = 17,713,013.10 × 8,155,510.60
  4. Step 4: Simplify right side
    11,808,675.40x = 144,458,666,094,988.88
  5. Step 5: Solve for x
    x = 144,458,666,094,988.88/11,808,675.40
  6. Step 6: Final answer
    x = 12,233,265.90

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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.