Home / 28,776,666.31-43,171,782.93-9,345,826.87

Finding the Fourth Proportional to 28,776,666.31, 43,171,782.93 and 9,345,826.87

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Solution

The fourth proportional to 28,776,666.31, 43,171,782.93 and 9,345,826.87 is: 14,020,943.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,776,666.31 : 43,171,782.93 = 9,345,826.87 : x
  2. Step 2: Convert to fraction form
    28,776,666.31/43,171,782.93 = 9,345,826.87/x
  3. Step 3: Cross multiply
    28,776,666.31x = 43,171,782.93 × 9,345,826.87
  4. Step 4: Simplify right side
    28,776,666.31x = 403,476,008,933,001.31
  5. Step 5: Solve for x
    x = 403,476,008,933,001.31/28,776,666.31
  6. Step 6: Final answer
    x = 14,020,943.38

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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.