Home / 9,235,357.69-12,744,810.89-5,160,976.69

Finding the Fourth Proportional to 9,235,357.69, 12,744,810.89 and 5,160,976.69

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Solution

The fourth proportional to 9,235,357.69, 12,744,810.89 and 5,160,976.69 is: 7,122,157.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,235,357.69 : 12,744,810.89 = 5,160,976.69 : x
  2. Step 2: Convert to fraction form
    9,235,357.69/12,744,810.89 = 5,160,976.69/x
  3. Step 3: Cross multiply
    9,235,357.69x = 12,744,810.89 × 5,160,976.69
  4. Step 4: Simplify right side
    9,235,357.69x = 65,775,671,921,748.16
  5. Step 5: Solve for x
    x = 65,775,671,921,748.16/9,235,357.69
  6. Step 6: Final answer
    x = 7,122,157.49

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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.