Home / 7,705,205.40-11,549,513.70-2,911,042.20

Finding the Fourth Proportional to 7,705,205.40, 11,549,513.70 and 2,911,042.20

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Solution

The fourth proportional to 7,705,205.40, 11,549,513.70 and 2,911,042.20 is: 4,363,429.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,705,205.40 : 11,549,513.70 = 2,911,042.20 : x
  2. Step 2: Convert to fraction form
    7,705,205.40/11,549,513.70 = 2,911,042.20/x
  3. Step 3: Cross multiply
    7,705,205.40x = 11,549,513.70 × 2,911,042.20
  4. Step 4: Simplify right side
    7,705,205.40x = 33,621,121,770,178.14
  5. Step 5: Solve for x
    x = 33,621,121,770,178.14/7,705,205.40
  6. Step 6: Final answer
    x = 4,363,429.66

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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.