Home / 10,259,103.88-15,312,889.16-9,048,821.32

Finding the Fourth Proportional to 10,259,103.88, 15,312,889.16 and 9,048,821.32

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Solution

The fourth proportional to 10,259,103.88, 15,312,889.16 and 9,048,821.32 is: 13,506,403.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,259,103.88 : 15,312,889.16 = 9,048,821.32 : x
  2. Step 2: Convert to fraction form
    10,259,103.88/15,312,889.16 = 9,048,821.32/x
  3. Step 3: Cross multiply
    10,259,103.88x = 15,312,889.16 × 9,048,821.32
  4. Step 4: Simplify right side
    10,259,103.88x = 138,563,597,901,804.89
  5. Step 5: Solve for x
    x = 138,563,597,901,804.89/10,259,103.88
  6. Step 6: Final answer
    x = 13,506,403.63

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.