Home / 9,128,679.12-12,597,970.80-5,054,298

Finding the Fourth Proportional to 9,128,679.12, 12,597,970.80 and 5,054,298

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Solution

The fourth proportional to 9,128,679.12, 12,597,970.80 and 5,054,298 is: 6,975,149.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,128,679.12 : 12,597,970.80 = 5,054,298 : x
  2. Step 2: Convert to fraction form
    9,128,679.12/12,597,970.80 = 5,054,298/x
  3. Step 3: Cross multiply
    9,128,679.12x = 12,597,970.80 × 5,054,298
  4. Step 4: Simplify right side
    9,128,679.12x = 63,673,898,618,498.41
  5. Step 5: Solve for x
    x = 63,673,898,618,498.41/9,128,679.12
  6. Step 6: Final answer
    x = 6,975,149.17

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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.