Home / 39,786,858-59,680,287.12-12,860,514

Finding the Fourth Proportional to 39,786,858, 59,680,287.12 and 12,860,514

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Solution

The fourth proportional to 39,786,858, 59,680,287.12 and 12,860,514 is: 19,290,771.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,786,858 : 59,680,287.12 = 12,860,514 : x
  2. Step 2: Convert to fraction form
    39,786,858/59,680,287.12 = 12,860,514/x
  3. Step 3: Cross multiply
    39,786,858x = 59,680,287.12 × 12,860,514
  4. Step 4: Simplify right side
    39,786,858x = 767,519,168,030,779.62
  5. Step 5: Solve for x
    x = 767,519,168,030,779.62/39,786,858
  6. Step 6: Final answer
    x = 19,290,771.04

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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.