Home / 12,038,851.80-18,058,277.70-3,953,075.40

Finding the Fourth Proportional to 12,038,851.80, 18,058,277.70 and 3,953,075.40

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Solution

The fourth proportional to 12,038,851.80, 18,058,277.70 and 3,953,075.40 is: 5,929,613.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,038,851.80 : 18,058,277.70 = 3,953,075.40 : x
  2. Step 2: Convert to fraction form
    12,038,851.80/18,058,277.70 = 3,953,075.40/x
  3. Step 3: Cross multiply
    12,038,851.80x = 18,058,277.70 × 3,953,075.40
  4. Step 4: Simplify right side
    12,038,851.80x = 71,385,733,342,238.58
  5. Step 5: Solve for x
    x = 71,385,733,342,238.58/12,038,851.80
  6. Step 6: Final answer
    x = 5,929,613.10

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Similar ratio
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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.