Home / 8,512,958.12-11,748,130.42-4,645,728.40

Finding the Fourth Proportional to 8,512,958.12, 11,748,130.42 and 4,645,728.40

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Solution

The fourth proportional to 8,512,958.12, 11,748,130.42 and 4,645,728.40 is: 6,411,240.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,512,958.12 : 11,748,130.42 = 4,645,728.40 : x
  2. Step 2: Convert to fraction form
    8,512,958.12/11,748,130.42 = 4,645,728.40/x
  3. Step 3: Cross multiply
    8,512,958.12x = 11,748,130.42 × 4,645,728.40
  4. Step 4: Simplify right side
    8,512,958.12x = 54,578,623,139,097.93
  5. Step 5: Solve for x
    x = 54,578,623,139,097.93/8,512,958.12
  6. Step 6: Final answer
    x = 6,411,240.65

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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.