Home / 13,775,779.48-19,010,750.56-7,581,539.38

Finding the Fourth Proportional to 13,775,779.48, 19,010,750.56 and 7,581,539.38

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Solution

The fourth proportional to 13,775,779.48, 19,010,750.56 and 7,581,539.38 is: 10,462,620.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,775,779.48 : 19,010,750.56 = 7,581,539.38 : x
  2. Step 2: Convert to fraction form
    13,775,779.48/19,010,750.56 = 7,581,539.38/x
  3. Step 3: Cross multiply
    13,775,779.48x = 19,010,750.56 × 7,581,539.38
  4. Step 4: Simplify right side
    13,775,779.48x = 144,130,754,013,997.03
  5. Step 5: Solve for x
    x = 144,130,754,013,997.03/13,775,779.48
  6. Step 6: Final answer
    x = 10,462,620.59

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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.