Home / 20,742,606.40-31,057,922.40-16,263,630.40

Finding the Fourth Proportional to 20,742,606.40, 31,057,922.40 and 16,263,630.40

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Solution

The fourth proportional to 20,742,606.40, 31,057,922.40 and 16,263,630.40 is: 24,351,547.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,742,606.40 : 31,057,922.40 = 16,263,630.40 : x
  2. Step 2: Convert to fraction form
    20,742,606.40/31,057,922.40 = 16,263,630.40/x
  3. Step 3: Cross multiply
    20,742,606.40x = 31,057,922.40 × 16,263,630.40
  4. Step 4: Simplify right side
    20,742,606.40x = 505,114,570,905,480.94
  5. Step 5: Solve for x
    x = 505,114,570,905,480.94/20,742,606.40
  6. Step 6: Final answer
    x = 24,351,547.78

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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.