Home / 13,992,148.40-19,298,886.64-9,274,011.05

Finding the Fourth Proportional to 13,992,148.40, 19,298,886.64 and 9,274,011.05

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Solution

The fourth proportional to 13,992,148.40, 19,298,886.64 and 9,274,011.05 is: 12,791,322.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,992,148.40 : 19,298,886.64 = 9,274,011.05 : x
  2. Step 2: Convert to fraction form
    13,992,148.40/19,298,886.64 = 9,274,011.05/x
  3. Step 3: Cross multiply
    13,992,148.40x = 19,298,886.64 × 9,274,011.05
  4. Step 4: Simplify right side
    13,992,148.40x = 178,978,087,876,319.47
  5. Step 5: Solve for x
    x = 178,978,087,876,319.47/13,992,148.40
  6. Step 6: Final answer
    x = 12,791,322.88

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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.