Home / 28,989,719.60-43,484,425.80-7,424,279.60

Finding the Fourth Proportional to 28,989,719.60, 43,484,425.80 and 7,424,279.60

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Solution

The fourth proportional to 28,989,719.60, 43,484,425.80 and 7,424,279.60 is: 11,136,380.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,989,719.60 : 43,484,425.80 = 7,424,279.60 : x
  2. Step 2: Convert to fraction form
    28,989,719.60/43,484,425.80 = 7,424,279.60/x
  3. Step 3: Cross multiply
    28,989,719.60x = 43,484,425.80 × 7,424,279.60
  4. Step 4: Simplify right side
    28,989,719.60x = 322,840,535,384,653.62
  5. Step 5: Solve for x
    x = 322,840,535,384,653.62/28,989,719.60
  6. Step 6: Final answer
    x = 11,136,380.06

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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.