Home / 8,779,909.80-12,110,971.32-5,799,631.44

Finding the Fourth Proportional to 8,779,909.80, 12,110,971.32 and 5,799,631.44

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Solution

The fourth proportional to 8,779,909.80, 12,110,971.32 and 5,799,631.44 is: 7,999,987.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,779,909.80 : 12,110,971.32 = 5,799,631.44 : x
  2. Step 2: Convert to fraction form
    8,779,909.80/12,110,971.32 = 5,799,631.44/x
  3. Step 3: Cross multiply
    8,779,909.80x = 12,110,971.32 × 5,799,631.44
  4. Step 4: Simplify right side
    8,779,909.80x = 70,239,170,036,410.30
  5. Step 5: Solve for x
    x = 70,239,170,036,410.30/8,779,909.80
  6. Step 6: Final answer
    x = 7,999,987.66

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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.