Home / 28,774,053.86-39,708,236.98-16,384,157.36

Finding the Fourth Proportional to 28,774,053.86, 39,708,236.98 and 16,384,157.36

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Solution

The fourth proportional to 28,774,053.86, 39,708,236.98 and 16,384,157.36 is: 22,610,161.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,774,053.86 : 39,708,236.98 = 16,384,157.36 : x
  2. Step 2: Convert to fraction form
    28,774,053.86/39,708,236.98 = 16,384,157.36/x
  3. Step 3: Cross multiply
    28,774,053.86x = 39,708,236.98 × 16,384,157.36
  4. Step 4: Simplify right side
    28,774,053.86x = 650,586,003,168,491.12
  5. Step 5: Solve for x
    x = 650,586,003,168,491.12/28,774,053.86
  6. Step 6: Final answer
    x = 22,610,161.44

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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.