Home / 53,638,519.60-80,457,779.40-13,249,003.60

Finding the Fourth Proportional to 53,638,519.60, 80,457,779.40 and 13,249,003.60

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Solution

The fourth proportional to 53,638,519.60, 80,457,779.40 and 13,249,003.60 is: 19,873,505.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,638,519.60 : 80,457,779.40 = 13,249,003.60 : x
  2. Step 2: Convert to fraction form
    53,638,519.60/80,457,779.40 = 13,249,003.60/x
  3. Step 3: Cross multiply
    53,638,519.60x = 80,457,779.40 × 13,249,003.60
  4. Step 4: Simplify right side
    53,638,519.60x = 1,065,985,408,918,605.88
  5. Step 5: Solve for x
    x = 1,065,985,408,918,605.88/53,638,519.60
  6. Step 6: Final answer
    x = 19,873,505.40

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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.