Home / 19,043,779.95-26,288,457.89-12,857,203.44

Finding the Fourth Proportional to 19,043,779.95, 26,288,457.89 and 12,857,203.44

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Solution

The fourth proportional to 19,043,779.95, 26,288,457.89 and 12,857,203.44 is: 17,748,369.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,043,779.95 : 26,288,457.89 = 12,857,203.44 : x
  2. Step 2: Convert to fraction form
    19,043,779.95/26,288,457.89 = 12,857,203.44/x
  3. Step 3: Cross multiply
    19,043,779.95x = 26,288,457.89 × 12,857,203.44
  4. Step 4: Simplify right side
    19,043,779.95x = 337,996,051,151,317.12
  5. Step 5: Solve for x
    x = 337,996,051,151,317.12/19,043,779.95
  6. Step 6: Final answer
    x = 17,748,369.92

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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.