Home / 14,258,405.80-21,387,608.70-7,881,113.80

Finding the Fourth Proportional to 14,258,405.80, 21,387,608.70 and 7,881,113.80

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Solution

The fourth proportional to 14,258,405.80, 21,387,608.70 and 7,881,113.80 is: 11,821,670.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,258,405.80 : 21,387,608.70 = 7,881,113.80 : x
  2. Step 2: Convert to fraction form
    14,258,405.80/21,387,608.70 = 7,881,113.80/x
  3. Step 3: Cross multiply
    14,258,405.80x = 21,387,608.70 × 7,881,113.80
  4. Step 4: Simplify right side
    14,258,405.80x = 168,558,178,074,570.06
  5. Step 5: Solve for x
    x = 168,558,178,074,570.06/14,258,405.80
  6. Step 6: Final answer
    x = 11,821,670.70

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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.