Home / 28,308,009.40-42,462,014.10-7,032,873.40

Finding the Fourth Proportional to 28,308,009.40, 42,462,014.10 and 7,032,873.40

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Solution

The fourth proportional to 28,308,009.40, 42,462,014.10 and 7,032,873.40 is: 10,549,310.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,308,009.40 : 42,462,014.10 = 7,032,873.40 : x
  2. Step 2: Convert to fraction form
    28,308,009.40/42,462,014.10 = 7,032,873.40/x
  3. Step 3: Cross multiply
    28,308,009.40x = 42,462,014.10 × 7,032,873.40
  4. Step 4: Simplify right side
    28,308,009.40x = 298,629,969,474,314.94
  5. Step 5: Solve for x
    x = 298,629,969,474,314.94/28,308,009.40
  6. Step 6: Final answer
    x = 10,549,310.10

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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.