Home / 8,525,935.40-12,788,903.10-7,829,205.80

Finding the Fourth Proportional to 8,525,935.40, 12,788,903.10 and 7,829,205.80

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Solution

The fourth proportional to 8,525,935.40, 12,788,903.10 and 7,829,205.80 is: 11,743,808.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,525,935.40 : 12,788,903.10 = 7,829,205.80 : x
  2. Step 2: Convert to fraction form
    8,525,935.40/12,788,903.10 = 7,829,205.80/x
  3. Step 3: Cross multiply
    8,525,935.40x = 12,788,903.10 × 7,829,205.80
  4. Step 4: Simplify right side
    8,525,935.40x = 100,126,954,326,157.97
  5. Step 5: Solve for x
    x = 100,126,954,326,157.97/8,525,935.40
  6. Step 6: Final answer
    x = 11,743,808.70

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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.