Home / 19,460,020.80-29,190,031.20-9,363,662.40

Finding the Fourth Proportional to 19,460,020.80, 29,190,031.20 and 9,363,662.40

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Solution

The fourth proportional to 19,460,020.80, 29,190,031.20 and 9,363,662.40 is: 14,045,493.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,460,020.80 : 29,190,031.20 = 9,363,662.40 : x
  2. Step 2: Convert to fraction form
    19,460,020.80/29,190,031.20 = 9,363,662.40/x
  3. Step 3: Cross multiply
    19,460,020.80x = 29,190,031.20 × 9,363,662.40
  4. Step 4: Simplify right side
    19,460,020.80x = 273,325,597,602,266.88
  5. Step 5: Solve for x
    x = 273,325,597,602,266.88/19,460,020.80
  6. Step 6: Final answer
    x = 14,045,493.60

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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.