Home / 28,854,570.96-39,818,821.32-15,977,238.48

Finding the Fourth Proportional to 28,854,570.96, 39,818,821.32 and 15,977,238.48

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Solution

The fourth proportional to 28,854,570.96, 39,818,821.32 and 15,977,238.48 is: 22,048,319.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,854,570.96 : 39,818,821.32 = 15,977,238.48 : x
  2. Step 2: Convert to fraction form
    28,854,570.96/39,818,821.32 = 15,977,238.48/x
  3. Step 3: Cross multiply
    28,854,570.96x = 39,818,821.32 × 15,977,238.48
  4. Step 4: Simplify right side
    28,854,570.96x = 636,194,804,222,148.38
  5. Step 5: Solve for x
    x = 636,194,804,222,148.38/28,854,570.96
  6. Step 6: Final answer
    x = 22,048,319.66

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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.