Home / 30,566,284.08-42,152,520.60-19,556,517.84

Finding the Fourth Proportional to 30,566,284.08, 42,152,520.60 and 19,556,517.84

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Solution

The fourth proportional to 30,566,284.08, 42,152,520.60 and 19,556,517.84 is: 26,969,471.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,566,284.08 : 42,152,520.60 = 19,556,517.84 : x
  2. Step 2: Convert to fraction form
    30,566,284.08/42,152,520.60 = 19,556,517.84/x
  3. Step 3: Cross multiply
    30,566,284.08x = 42,152,520.60 × 19,556,517.84
  4. Step 4: Simplify right side
    30,566,284.08x = 824,356,521,114,867.50
  5. Step 5: Solve for x
    x = 824,356,521,114,867.50/30,566,284.08
  6. Step 6: Final answer
    x = 26,969,471.30

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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.