Home / 28,730,278.88-43,070,189.52-11,705,274.08

Finding the Fourth Proportional to 28,730,278.88, 43,070,189.52 and 11,705,274.08

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Solution

The fourth proportional to 28,730,278.88, 43,070,189.52 and 11,705,274.08 is: 17,547,632.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,730,278.88 : 43,070,189.52 = 11,705,274.08 : x
  2. Step 2: Convert to fraction form
    28,730,278.88/43,070,189.52 = 11,705,274.08/x
  3. Step 3: Cross multiply
    28,730,278.88x = 43,070,189.52 × 11,705,274.08
  4. Step 4: Simplify right side
    28,730,278.88x = 504,148,373,009,143.69
  5. Step 5: Solve for x
    x = 504,148,373,009,143.69/28,730,278.88
  6. Step 6: Final answer
    x = 17,547,632.42

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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.