Home / 9,976,000.40-14,978,746.20-7,734,669.20

Finding the Fourth Proportional to 9,976,000.40, 14,978,746.20 and 7,734,669.20

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Solution

The fourth proportional to 9,976,000.40, 14,978,746.20 and 7,734,669.20 is: 11,613,436.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,976,000.40 : 14,978,746.20 = 7,734,669.20 : x
  2. Step 2: Convert to fraction form
    9,976,000.40/14,978,746.20 = 7,734,669.20/x
  3. Step 3: Cross multiply
    9,976,000.40x = 14,978,746.20 × 7,734,669.20
  4. Step 4: Simplify right side
    9,976,000.40x = 115,855,646,887,757.03
  5. Step 5: Solve for x
    x = 115,855,646,887,757.03/9,976,000.40
  6. Step 6: Final answer
    x = 11,613,436.47

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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.