Home / 28,788,146.51-43,189,782.68-10,345,953.52

Finding the Fourth Proportional to 28,788,146.51, 43,189,782.68 and 10,345,953.52

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Solution

The fourth proportional to 28,788,146.51, 43,189,782.68 and 10,345,953.52 is: 15,521,648.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,788,146.51 : 43,189,782.68 = 10,345,953.52 : x
  2. Step 2: Convert to fraction form
    28,788,146.51/43,189,782.68 = 10,345,953.52/x
  3. Step 3: Cross multiply
    28,788,146.51x = 43,189,782.68 × 10,345,953.52
  4. Step 4: Simplify right side
    28,788,146.51x = 446,839,484,064,071.44
  5. Step 5: Solve for x
    x = 446,839,484,064,071.44/28,788,146.51
  6. Step 6: Final answer
    x = 15,521,648.25

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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.