Home / 15,809,926,374.36-21,816,308,853.46-9,034,400,380.48

Finding the Fourth Proportional to 15,809,926,374.36, 21,816,308,853.46 and 9,034,400,380.48

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Solution

The fourth proportional to 15,809,926,374.36, 21,816,308,853.46 and 9,034,400,380.48 is: 12,466,678,486.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,809,926,374.36 : 21,816,308,853.46 = 9,034,400,380.48 : x
  2. Step 2: Convert to fraction form
    15,809,926,374.36/21,816,308,853.46 = 9,034,400,380.48/x
  3. Step 3: Cross multiply
    15,809,926,374.36x = 21,816,308,853.46 × 9,034,400,380.48
  4. Step 4: Simplify right side
    15,809,926,374.36x = 197,097,269,006,368,210,944
  5. Step 5: Solve for x
    x = 197,097,269,006,368,210,944/15,809,926,374.36
  6. Step 6: Final answer
    x = 12,466,678,486.63

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1.5x scale

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.