Home / 9,999,045.12-13,798,690.56-5,415,375.36

Finding the Fourth Proportional to 9,999,045.12, 13,798,690.56 and 5,415,375.36

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Solution

The fourth proportional to 9,999,045.12, 13,798,690.56 and 5,415,375.36 is: 7,473,222.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,999,045.12 : 13,798,690.56 = 5,415,375.36 : x
  2. Step 2: Convert to fraction form
    9,999,045.12/13,798,690.56 = 5,415,375.36/x
  3. Step 3: Cross multiply
    9,999,045.12x = 13,798,690.56 × 5,415,375.36
  4. Step 4: Simplify right side
    9,999,045.12x = 74,725,088,858,888.61
  5. Step 5: Solve for x
    x = 74,725,088,858,888.61/9,999,045.12
  6. Step 6: Final answer
    x = 7,473,222.49

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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.