Home / 30,640,595.12-42,285,913.08-16,889,528.24

Finding the Fourth Proportional to 30,640,595.12, 42,285,913.08 and 16,889,528.24

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Solution

The fourth proportional to 30,640,595.12, 42,285,913.08 and 16,889,528.24 is: 23,308,591.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,640,595.12 : 42,285,913.08 = 16,889,528.24 : x
  2. Step 2: Convert to fraction form
    30,640,595.12/42,285,913.08 = 16,889,528.24/x
  3. Step 3: Cross multiply
    30,640,595.12x = 42,285,913.08 × 16,889,528.24
  4. Step 4: Simplify right side
    30,640,595.12x = 714,189,123,118,845.25
  5. Step 5: Solve for x
    x = 714,189,123,118,845.25/30,640,595.12
  6. Step 6: Final answer
    x = 23,308,591.77

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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.