Home / 14,138,051.22-19,510,768.68-7,859,168.16

Finding the Fourth Proportional to 14,138,051.22, 19,510,768.68 and 7,859,168.16

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Solution

The fourth proportional to 14,138,051.22, 19,510,768.68 and 7,859,168.16 is: 10,845,795.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,138,051.22 : 19,510,768.68 = 7,859,168.16 : x
  2. Step 2: Convert to fraction form
    14,138,051.22/19,510,768.68 = 7,859,168.16/x
  3. Step 3: Cross multiply
    14,138,051.22x = 19,510,768.68 × 7,859,168.16
  4. Step 4: Simplify right side
    14,138,051.22x = 153,338,411,986,981.22
  5. Step 5: Solve for x
    x = 153,338,411,986,981.22/14,138,051.22
  6. Step 6: Final answer
    x = 10,845,795.48

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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.