Home / 28,268,052.70-42,402,079.05-8,070,670.30

Finding the Fourth Proportional to 28,268,052.70, 42,402,079.05 and 8,070,670.30

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Solution

The fourth proportional to 28,268,052.70, 42,402,079.05 and 8,070,670.30 is: 12,106,005.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,268,052.70 : 42,402,079.05 = 8,070,670.30 : x
  2. Step 2: Convert to fraction form
    28,268,052.70/42,402,079.05 = 8,070,670.30/x
  3. Step 3: Cross multiply
    28,268,052.70x = 42,402,079.05 × 8,070,670.30
  4. Step 4: Simplify right side
    28,268,052.70x = 342,213,200,047,087.19
  5. Step 5: Solve for x
    x = 342,213,200,047,087.19/28,268,052.70
  6. Step 6: Final answer
    x = 12,106,005.45

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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.