Home / 9,115,892.09-12,579,829.16-4,986,041.88

Finding the Fourth Proportional to 9,115,892.09, 12,579,829.16 and 4,986,041.88

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Solution

The fourth proportional to 9,115,892.09, 12,579,829.16 and 4,986,041.88 is: 6,880,682.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,115,892.09 : 12,579,829.16 = 4,986,041.88 : x
  2. Step 2: Convert to fraction form
    9,115,892.09/12,579,829.16 = 4,986,041.88/x
  3. Step 3: Cross multiply
    9,115,892.09x = 12,579,829.16 × 4,986,041.88
  4. Step 4: Simplify right side
    9,115,892.09x = 62,723,555,010,075.01
  5. Step 5: Solve for x
    x = 62,723,555,010,075.01/9,115,892.09
  6. Step 6: Final answer
    x = 6,880,682.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.