Home / 18,681,566.23-28,026,132.14-7,898,849.77

Finding the Fourth Proportional to 18,681,566.23, 28,026,132.14 and 7,898,849.77

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Solution

The fourth proportional to 18,681,566.23, 28,026,132.14 and 7,898,849.77 is: 11,849,874.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,681,566.23 : 28,026,132.14 = 7,898,849.77 : x
  2. Step 2: Convert to fraction form
    18,681,566.23/28,026,132.14 = 7,898,849.77/x
  3. Step 3: Cross multiply
    18,681,566.23x = 28,026,132.14 × 7,898,849.77
  4. Step 4: Simplify right side
    18,681,566.23x = 221,374,207,462,808.38
  5. Step 5: Solve for x
    x = 221,374,207,462,808.38/18,681,566.23
  6. Step 6: Final answer
    x = 11,849,874.08

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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.