Home / 20,802,407.60-31,191,169.80-10,724,711.60

Finding the Fourth Proportional to 20,802,407.60, 31,191,169.80 and 10,724,711.60

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Solution

The fourth proportional to 20,802,407.60, 31,191,169.80 and 10,724,711.60 is: 16,080,653.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,802,407.60 : 31,191,169.80 = 10,724,711.60 : x
  2. Step 2: Convert to fraction form
    20,802,407.60/31,191,169.80 = 10,724,711.60/x
  3. Step 3: Cross multiply
    20,802,407.60x = 31,191,169.80 × 10,724,711.60
  4. Step 4: Simplify right side
    20,802,407.60x = 334,516,300,571,629.69
  5. Step 5: Solve for x
    x = 334,516,300,571,629.69/20,802,407.60
  6. Step 6: Final answer
    x = 16,080,653.11

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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.