Home / 13,885,909.80-20,793,435.30-11,051,557.80

Finding the Fourth Proportional to 13,885,909.80, 20,793,435.30 and 11,051,557.80

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Solution

The fourth proportional to 13,885,909.80, 20,793,435.30 and 11,051,557.80 is: 16,549,139.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,885,909.80 : 20,793,435.30 = 11,051,557.80 : x
  2. Step 2: Convert to fraction form
    13,885,909.80/20,793,435.30 = 11,051,557.80/x
  3. Step 3: Cross multiply
    13,885,909.80x = 20,793,435.30 × 11,051,557.80
  4. Step 4: Simplify right side
    13,885,909.80x = 229,799,852,078,510.38
  5. Step 5: Solve for x
    x = 229,799,852,078,510.38/13,885,909.80
  6. Step 6: Final answer
    x = 16,549,139.05

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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.