Home / 12,570,104.48-18,840,532.98-7,182,532.04

Finding the Fourth Proportional to 12,570,104.48, 18,840,532.98 and 7,182,532.04

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Solution

The fourth proportional to 12,570,104.48, 18,840,532.98 and 7,182,532.04 is: 10,765,442.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,570,104.48 : 18,840,532.98 = 7,182,532.04 : x
  2. Step 2: Convert to fraction form
    12,570,104.48/18,840,532.98 = 7,182,532.04/x
  3. Step 3: Cross multiply
    12,570,104.48x = 18,840,532.98 × 7,182,532.04
  4. Step 4: Simplify right side
    12,570,104.48x = 135,322,731,779,526.69
  5. Step 5: Solve for x
    x = 135,322,731,779,526.69/12,570,104.48
  6. Step 6: Final answer
    x = 10,765,442.08

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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.