Home / 18,539,275.76-25,586,848.04-10,281,174.69

Finding the Fourth Proportional to 18,539,275.76, 25,586,848.04 and 10,281,174.69

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Solution

The fourth proportional to 18,539,275.76, 25,586,848.04 and 10,281,174.69 is: 14,189,489.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,539,275.76 : 25,586,848.04 = 10,281,174.69 : x
  2. Step 2: Convert to fraction form
    18,539,275.76/25,586,848.04 = 10,281,174.69/x
  3. Step 3: Cross multiply
    18,539,275.76x = 25,586,848.04 × 10,281,174.69
  4. Step 4: Simplify right side
    18,539,275.76x = 263,062,854,465,724.09
  5. Step 5: Solve for x
    x = 263,062,854,465,724.09/18,539,275.76
  6. Step 6: Final answer
    x = 14,189,489.27

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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.