Home / 12,285,848.10-16,960,608.42-7,641,130.34

Finding the Fourth Proportional to 12,285,848.10, 16,960,608.42 and 7,641,130.34

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Solution

The fourth proportional to 12,285,848.10, 16,960,608.42 and 7,641,130.34 is: 10,548,577.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,285,848.10 : 16,960,608.42 = 7,641,130.34 : x
  2. Step 2: Convert to fraction form
    12,285,848.10/16,960,608.42 = 7,641,130.34/x
  3. Step 3: Cross multiply
    12,285,848.10x = 16,960,608.42 × 7,641,130.34
  4. Step 4: Simplify right side
    12,285,848.10x = 129,598,219,582,921.47
  5. Step 5: Solve for x
    x = 129,598,219,582,921.47/12,285,848.10
  6. Step 6: Final answer
    x = 10,548,577.40

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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.