Home / 14,090,213.16-21,128,658.03-5,458,356.45

Finding the Fourth Proportional to 14,090,213.16, 21,128,658.03 and 5,458,356.45

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Solution

The fourth proportional to 14,090,213.16, 21,128,658.03 and 5,458,356.45 is: 8,184,954.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,090,213.16 : 21,128,658.03 = 5,458,356.45 : x
  2. Step 2: Convert to fraction form
    14,090,213.16/21,128,658.03 = 5,458,356.45/x
  3. Step 3: Cross multiply
    14,090,213.16x = 21,128,658.03 × 5,458,356.45
  4. Step 4: Simplify right side
    14,090,213.16x = 115,327,746,837,894.80
  5. Step 5: Solve for x
    x = 115,327,746,837,894.80/14,090,213.16
  6. Step 6: Final answer
    x = 8,184,954.02

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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.