Home / 13,775,830.86-19,010,820.93-7,581,590.76

Finding the Fourth Proportional to 13,775,830.86, 19,010,820.93 and 7,581,590.76

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Solution

The fourth proportional to 13,775,830.86, 19,010,820.93 and 7,581,590.76 is: 10,462,691.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,775,830.86 : 19,010,820.93 = 7,581,590.76 : x
  2. Step 2: Convert to fraction form
    13,775,830.86/19,010,820.93 = 7,581,590.76/x
  3. Step 3: Cross multiply
    13,775,830.86x = 19,010,820.93 × 7,581,590.76
  4. Step 4: Simplify right side
    13,775,830.86x = 144,132,264,302,902.59
  5. Step 5: Solve for x
    x = 144,132,264,302,902.59/13,775,830.86
  6. Step 6: Final answer
    x = 10,462,691.20

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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.