Home / 28,686,405.46-39,588,643.16-16,131,411.71

Finding the Fourth Proportional to 28,686,405.46, 39,588,643.16 and 16,131,411.71

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Solution

The fourth proportional to 28,686,405.46, 39,588,643.16 and 16,131,411.71 is: 22,262,137.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,686,405.46 : 39,588,643.16 = 16,131,411.71 : x
  2. Step 2: Convert to fraction form
    28,686,405.46/39,588,643.16 = 16,131,411.71/x
  3. Step 3: Cross multiply
    28,686,405.46x = 39,588,643.16 × 16,131,411.71
  4. Step 4: Simplify right side
    28,686,405.46x = 638,620,701,961,909.88
  5. Step 5: Solve for x
    x = 638,620,701,961,909.88/28,686,405.46
  6. Step 6: Final answer
    x = 22,262,137.47

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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.