Home / 30,750,968.08-42,437,221.59-17,000,817.94

Finding the Fourth Proportional to 30,750,968.08, 42,437,221.59 and 17,000,817.94

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Solution

The fourth proportional to 30,750,968.08, 42,437,221.59 and 17,000,817.94 is: 23,461,618.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,750,968.08 : 42,437,221.59 = 17,000,817.94 : x
  2. Step 2: Convert to fraction form
    30,750,968.08/42,437,221.59 = 17,000,817.94/x
  3. Step 3: Cross multiply
    30,750,968.08x = 42,437,221.59 × 17,000,817.94
  4. Step 4: Simplify right side
    30,750,968.08x = 721,467,478,131,027.50
  5. Step 5: Solve for x
    x = 721,467,478,131,027.50/30,750,968.08
  6. Step 6: Final answer
    x = 23,461,618.39

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1.5x scale

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.