Home / 28,411,202.60-42,567,815.10-13,234,005.80

Finding the Fourth Proportional to 28,411,202.60, 42,567,815.10 and 13,234,005.80

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Solution

The fourth proportional to 28,411,202.60, 42,567,815.10 and 13,234,005.80 is: 19,828,189.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,411,202.60 : 42,567,815.10 = 13,234,005.80 : x
  2. Step 2: Convert to fraction form
    28,411,202.60/42,567,815.10 = 13,234,005.80/x
  3. Step 3: Cross multiply
    28,411,202.60x = 42,567,815.10 × 13,234,005.80
  4. Step 4: Simplify right side
    28,411,202.60x = 563,342,711,926,727.62
  5. Step 5: Solve for x
    x = 563,342,711,926,727.62/28,411,202.60
  6. Step 6: Final answer
    x = 19,828,189.60

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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.