Home / 14,779,688.51-20,405,567.25-13,228,263.52

Finding the Fourth Proportional to 14,779,688.51, 20,405,567.25 and 13,228,263.52

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Solution

The fourth proportional to 14,779,688.51, 20,405,567.25 and 13,228,263.52 is: 18,263,593.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,779,688.51 : 20,405,567.25 = 13,228,263.52 : x
  2. Step 2: Convert to fraction form
    14,779,688.51/20,405,567.25 = 13,228,263.52/x
  3. Step 3: Cross multiply
    14,779,688.51x = 20,405,567.25 × 13,228,263.52
  4. Step 4: Simplify right side
    14,779,688.51x = 269,930,220,807,067.81
  5. Step 5: Solve for x
    x = 269,930,220,807,067.81/14,779,688.51
  6. Step 6: Final answer
    x = 18,263,593.35

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1.5x scale

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.