Home / 31,242,459.72-43,111,312.08-17,303,449.52

Finding the Fourth Proportional to 31,242,459.72, 43,111,312.08 and 17,303,449.52

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Solution

The fourth proportional to 31,242,459.72, 43,111,312.08 and 17,303,449.52 is: 23,876,942.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,242,459.72 : 43,111,312.08 = 17,303,449.52 : x
  2. Step 2: Convert to fraction form
    31,242,459.72/43,111,312.08 = 17,303,449.52/x
  3. Step 3: Cross multiply
    31,242,459.72x = 43,111,312.08 × 17,303,449.52
  4. Step 4: Simplify right side
    31,242,459.72x = 745,974,412,317,246.12
  5. Step 5: Solve for x
    x = 745,974,412,317,246.12/31,242,459.72
  6. Step 6: Final answer
    x = 23,876,942.44

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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.