Home / 10,387,969.09-15,582,736.86-3,100,853.20

Finding the Fourth Proportional to 10,387,969.09, 15,582,736.86 and 3,100,853.20

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Solution

The fourth proportional to 10,387,969.09, 15,582,736.86 and 3,100,853.20 is: 4,651,513.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,387,969.09 : 15,582,736.86 = 3,100,853.20 : x
  2. Step 2: Convert to fraction form
    10,387,969.09/15,582,736.86 = 3,100,853.20/x
  3. Step 3: Cross multiply
    10,387,969.09x = 15,582,736.86 × 3,100,853.20
  4. Step 4: Simplify right side
    10,387,969.09x = 48,319,779,457,088.95
  5. Step 5: Solve for x
    x = 48,319,779,457,088.95/10,387,969.09
  6. Step 6: Final answer
    x = 4,651,513.60

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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.