Home / 30,492,382.88-42,079,571.16-16,742,237.60

Finding the Fourth Proportional to 30,492,382.88, 42,079,571.16 and 16,742,237.60

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Solution

The fourth proportional to 30,492,382.88, 42,079,571.16 and 16,742,237.60 is: 23,104,333.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,492,382.88 : 42,079,571.16 = 16,742,237.60 : x
  2. Step 2: Convert to fraction form
    30,492,382.88/42,079,571.16 = 16,742,237.60/x
  3. Step 3: Cross multiply
    30,492,382.88x = 42,079,571.16 × 16,742,237.60
  4. Step 4: Simplify right side
    30,492,382.88x = 704,506,178,466,827.50
  5. Step 5: Solve for x
    x = 704,506,178,466,827.50/30,492,382.88
  6. Step 6: Final answer
    x = 23,104,333.34

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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.