Home / 20,732,705.60-31,099,058.40-15,424,289.60

Finding the Fourth Proportional to 20,732,705.60, 31,099,058.40 and 15,424,289.60

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Solution

The fourth proportional to 20,732,705.60, 31,099,058.40 and 15,424,289.60 is: 23,136,434.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,732,705.60 : 31,099,058.40 = 15,424,289.60 : x
  2. Step 2: Convert to fraction form
    20,732,705.60/31,099,058.40 = 15,424,289.60/x
  3. Step 3: Cross multiply
    20,732,705.60x = 31,099,058.40 × 15,424,289.60
  4. Step 4: Simplify right side
    20,732,705.60x = 479,680,883,048,912.62
  5. Step 5: Solve for x
    x = 479,680,883,048,912.62/20,732,705.60
  6. Step 6: Final answer
    x = 23,136,434.40

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1.5x scale

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.