Home / 30,440,557.86-42,008,382.48-16,689,492.42

Finding the Fourth Proportional to 30,440,557.86, 42,008,382.48 and 16,689,492.42

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Solution

The fourth proportional to 30,440,557.86, 42,008,382.48 and 16,689,492.42 is: 23,031,725.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,440,557.86 : 42,008,382.48 = 16,689,492.42 : x
  2. Step 2: Convert to fraction form
    30,440,557.86/42,008,382.48 = 16,689,492.42/x
  3. Step 3: Cross multiply
    30,440,557.86x = 42,008,382.48 × 16,689,492.42
  4. Step 4: Simplify right side
    30,440,557.86x = 701,098,580,976,420.75
  5. Step 5: Solve for x
    x = 701,098,580,976,420.75/30,440,557.86
  6. Step 6: Final answer
    x = 23,031,725.77

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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.