Home / 15,185,372.40-20,955,814.98-8,309,854.80

Finding the Fourth Proportional to 15,185,372.40, 20,955,814.98 and 8,309,854.80

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Solution

The fourth proportional to 15,185,372.40, 20,955,814.98 and 8,309,854.80 is: 11,467,600.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,185,372.40 : 20,955,814.98 = 8,309,854.80 : x
  2. Step 2: Convert to fraction form
    15,185,372.40/20,955,814.98 = 8,309,854.80/x
  3. Step 3: Cross multiply
    15,185,372.40x = 20,955,814.98 × 8,309,854.80
  4. Step 4: Simplify right side
    15,185,372.40x = 174,139,779,699,464.91
  5. Step 5: Solve for x
    x = 174,139,779,699,464.91/15,185,372.40
  6. Step 6: Final answer
    x = 11,467,600.21

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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.