Home / 19,440,048.40-29,160,072.60-13,393,430.80

Finding the Fourth Proportional to 19,440,048.40, 29,160,072.60 and 13,393,430.80

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Solution

The fourth proportional to 19,440,048.40, 29,160,072.60 and 13,393,430.80 is: 20,090,146.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,440,048.40 : 29,160,072.60 = 13,393,430.80 : x
  2. Step 2: Convert to fraction form
    19,440,048.40/29,160,072.60 = 13,393,430.80/x
  3. Step 3: Cross multiply
    19,440,048.40x = 29,160,072.60 × 13,393,430.80
  4. Step 4: Simplify right side
    19,440,048.40x = 390,553,414,491,076.12
  5. Step 5: Solve for x
    x = 390,553,414,491,076.12/19,440,048.40
  6. Step 6: Final answer
    x = 20,090,146.20

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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.