Home / 10,372,406.40-15,558,609.60-7,852,982.40

Finding the Fourth Proportional to 10,372,406.40, 15,558,609.60 and 7,852,982.40

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Solution

The fourth proportional to 10,372,406.40, 15,558,609.60 and 7,852,982.40 is: 11,779,473.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,372,406.40 : 15,558,609.60 = 7,852,982.40 : x
  2. Step 2: Convert to fraction form
    10,372,406.40/15,558,609.60 = 7,852,982.40/x
  3. Step 3: Cross multiply
    10,372,406.40x = 15,558,609.60 × 7,852,982.40
  4. Step 4: Simplify right side
    10,372,406.40x = 122,181,487,357,271.05
  5. Step 5: Solve for x
    x = 122,181,487,357,271.05/10,372,406.40
  6. Step 6: Final answer
    x = 11,779,473.60

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Similar ratio
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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.