Home / 19,149,726.40-28,724,589.60-9,072,030.40

Finding the Fourth Proportional to 19,149,726.40, 28,724,589.60 and 9,072,030.40

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Solution

The fourth proportional to 19,149,726.40, 28,724,589.60 and 9,072,030.40 is: 13,608,045.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,149,726.40 : 28,724,589.60 = 9,072,030.40 : x
  2. Step 2: Convert to fraction form
    19,149,726.40/28,724,589.60 = 9,072,030.40/x
  3. Step 3: Cross multiply
    19,149,726.40x = 28,724,589.60 × 9,072,030.40
  4. Step 4: Simplify right side
    19,149,726.40x = 260,590,350,078,723.88
  5. Step 5: Solve for x
    x = 260,590,350,078,723.88/19,149,726.40
  6. Step 6: Final answer
    x = 13,608,045.60

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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.