Home / 12,824,693.60-17,699,089.92-7,316,803.52

Finding the Fourth Proportional to 12,824,693.60, 17,699,089.92 and 7,316,803.52

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Solution

The fourth proportional to 12,824,693.60, 17,699,089.92 and 7,316,803.52 is: 10,097,766.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,824,693.60 : 17,699,089.92 = 7,316,803.52 : x
  2. Step 2: Convert to fraction form
    12,824,693.60/17,699,089.92 = 7,316,803.52/x
  3. Step 3: Cross multiply
    12,824,693.60x = 17,699,089.92 × 7,316,803.52
  4. Step 4: Simplify right side
    12,824,693.60x = 129,500,763,427,452.53
  5. Step 5: Solve for x
    x = 129,500,763,427,452.53/12,824,693.60
  6. Step 6: Final answer
    x = 10,097,766.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.