Home / 9,478,686.61-14,218,620.76-3,798,172.81

Finding the Fourth Proportional to 9,478,686.61, 14,218,620.76 and 3,798,172.81

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Solution

The fourth proportional to 9,478,686.61, 14,218,620.76 and 3,798,172.81 is: 5,697,495.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,478,686.61 : 14,218,620.76 = 3,798,172.81 : x
  2. Step 2: Convert to fraction form
    9,478,686.61/14,218,620.76 = 3,798,172.81/x
  3. Step 3: Cross multiply
    9,478,686.61x = 14,218,620.76 × 3,798,172.81
  4. Step 4: Simplify right side
    9,478,686.61x = 54,004,778,695,240.43
  5. Step 5: Solve for x
    x = 54,004,778,695,240.43/9,478,686.61
  6. Step 6: Final answer
    x = 5,697,495.97

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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.