Home / 12,017,923.20-18,026,884.80-4,830,566.40

Finding the Fourth Proportional to 12,017,923.20, 18,026,884.80 and 4,830,566.40

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Solution

The fourth proportional to 12,017,923.20, 18,026,884.80 and 4,830,566.40 is: 7,245,849.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,017,923.20 : 18,026,884.80 = 4,830,566.40 : x
  2. Step 2: Convert to fraction form
    12,017,923.20/18,026,884.80 = 4,830,566.40/x
  3. Step 3: Cross multiply
    12,017,923.20x = 18,026,884.80 × 4,830,566.40
  4. Step 4: Simplify right side
    12,017,923.20x = 87,080,064,011,550.73
  5. Step 5: Solve for x
    x = 87,080,064,011,550.73/12,017,923.20
  6. Step 6: Final answer
    x = 7,245,849.60

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Double scale
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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.