Home / 12,553,205.80-18,829,808.70-9,715,354.60

Finding the Fourth Proportional to 12,553,205.80, 18,829,808.70 and 9,715,354.60

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Solution

The fourth proportional to 12,553,205.80, 18,829,808.70 and 9,715,354.60 is: 14,573,031.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,553,205.80 : 18,829,808.70 = 9,715,354.60 : x
  2. Step 2: Convert to fraction form
    12,553,205.80/18,829,808.70 = 9,715,354.60/x
  3. Step 3: Cross multiply
    12,553,205.80x = 18,829,808.70 × 9,715,354.60
  4. Step 4: Simplify right side
    12,553,205.80x = 182,938,268,570,665
  5. Step 5: Solve for x
    x = 182,938,268,570,665/12,553,205.80
  6. Step 6: Final answer
    x = 14,573,031.90

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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.