Home / 13,904,495.64-19,190,189.52-7,710,919.92

Finding the Fourth Proportional to 13,904,495.64, 19,190,189.52 and 7,710,919.92

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Solution

The fourth proportional to 13,904,495.64, 19,190,189.52 and 7,710,919.92 is: 10,642,170.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,904,495.64 : 19,190,189.52 = 7,710,919.92 : x
  2. Step 2: Convert to fraction form
    13,904,495.64/19,190,189.52 = 7,710,919.92/x
  3. Step 3: Cross multiply
    13,904,495.64x = 19,190,189.52 × 7,710,919.92
  4. Step 4: Simplify right side
    13,904,495.64x = 147,974,014,638,343.22
  5. Step 5: Solve for x
    x = 147,974,014,638,343.22/13,904,495.64
  6. Step 6: Final answer
    x = 10,642,170.60

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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.