Home / 10,531,017.90-15,768,141.75-6,878,703.42

Finding the Fourth Proportional to 10,531,017.90, 15,768,141.75 and 6,878,703.42

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Solution

The fourth proportional to 10,531,017.90, 15,768,141.75 and 6,878,703.42 is: 10,299,514.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,531,017.90 : 15,768,141.75 = 6,878,703.42 : x
  2. Step 2: Convert to fraction form
    10,531,017.90/15,768,141.75 = 6,878,703.42/x
  3. Step 3: Cross multiply
    10,531,017.90x = 15,768,141.75 × 6,878,703.42
  4. Step 4: Simplify right side
    10,531,017.90x = 108,464,370,582,769.78
  5. Step 5: Solve for x
    x = 108,464,370,582,769.78/10,531,017.90
  6. Step 6: Final answer
    x = 10,299,514.41

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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.