Home / 30,492,185.92-42,079,298.88-16,742,040.64

Finding the Fourth Proportional to 30,492,185.92, 42,079,298.88 and 16,742,040.64

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Solution

The fourth proportional to 30,492,185.92, 42,079,298.88 and 16,742,040.64 is: 23,104,061.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,492,185.92 : 42,079,298.88 = 16,742,040.64 : x
  2. Step 2: Convert to fraction form
    30,492,185.92/42,079,298.88 = 16,742,040.64/x
  3. Step 3: Cross multiply
    30,492,185.92x = 42,079,298.88 × 16,742,040.64
  4. Step 4: Simplify right side
    30,492,185.92x = 704,493,331,951,666.50
  5. Step 5: Solve for x
    x = 704,493,331,951,666.50/30,492,185.92
  6. Step 6: Final answer
    x = 23,104,061.28

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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.