Home / 28,645,490.08-42,967,809.88-7,080,090.60

Finding the Fourth Proportional to 28,645,490.08, 42,967,809.88 and 7,080,090.60

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Solution

The fourth proportional to 28,645,490.08, 42,967,809.88 and 7,080,090.60 is: 10,620,030.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,645,490.08 : 42,967,809.88 = 7,080,090.60 : x
  2. Step 2: Convert to fraction form
    28,645,490.08/42,967,809.88 = 7,080,090.60/x
  3. Step 3: Cross multiply
    28,645,490.08x = 42,967,809.88 × 7,080,090.60
  4. Step 4: Simplify right side
    28,645,490.08x = 304,215,986,833,975.12
  5. Step 5: Solve for x
    x = 304,215,986,833,975.12/28,645,490.08
  6. Step 6: Final answer
    x = 10,620,030.80

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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.