Home / 12,402,094.65-17,115,089.67-6,820,561.77

Finding the Fourth Proportional to 12,402,094.65, 17,115,089.67 and 6,820,561.77

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Solution

The fourth proportional to 12,402,094.65, 17,115,089.67 and 6,820,561.77 is: 9,412,484.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,402,094.65 : 17,115,089.67 = 6,820,561.77 : x
  2. Step 2: Convert to fraction form
    12,402,094.65/17,115,089.67 = 6,820,561.77/x
  3. Step 3: Cross multiply
    12,402,094.65x = 17,115,089.67 × 6,820,561.77
  4. Step 4: Simplify right side
    12,402,094.65x = 116,734,526,293,323.92
  5. Step 5: Solve for x
    x = 116,734,526,293,323.92/12,402,094.65
  6. Step 6: Final answer
    x = 9,412,484.71

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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.