Home / 12,590,105.65-17,374,346.64-7,157,597.65

Finding the Fourth Proportional to 12,590,105.65, 17,374,346.64 and 7,157,597.65

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Solution

The fourth proportional to 12,590,105.65, 17,374,346.64 and 7,157,597.65 is: 9,877,485.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,590,105.65 : 17,374,346.64 = 7,157,597.65 : x
  2. Step 2: Convert to fraction form
    12,590,105.65/17,374,346.64 = 7,157,597.65/x
  3. Step 3: Cross multiply
    12,590,105.65x = 17,374,346.64 × 7,157,597.65
  4. Step 4: Simplify right side
    12,590,105.65x = 124,358,582,680,749.41
  5. Step 5: Solve for x
    x = 124,358,582,680,749.41/12,590,105.65
  6. Step 6: Final answer
    x = 9,877,485.24

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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.