Home / 28,330,643.70-42,501,870.45-16,190,169.30

Finding the Fourth Proportional to 28,330,643.70, 42,501,870.45 and 16,190,169.30

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Solution

The fourth proportional to 28,330,643.70, 42,501,870.45 and 16,190,169.30 is: 24,288,628.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,330,643.70 : 42,501,870.45 = 16,190,169.30 : x
  2. Step 2: Convert to fraction form
    28,330,643.70/42,501,870.45 = 16,190,169.30/x
  3. Step 3: Cross multiply
    28,330,643.70x = 42,501,870.45 × 16,190,169.30
  4. Step 4: Simplify right side
    28,330,643.70x = 688,112,478,152,167.25
  5. Step 5: Solve for x
    x = 688,112,478,152,167.25/28,330,643.70
  6. Step 6: Final answer
    x = 24,288,628.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.