Home / 18,261,707.16-25,201,948.05-10,112,945.16

Finding the Fourth Proportional to 18,261,707.16, 25,201,948.05 and 10,112,945.16

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Solution

The fourth proportional to 18,261,707.16, 25,201,948.05 and 10,112,945.16 is: 13,956,303.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,261,707.16 : 25,201,948.05 = 10,112,945.16 : x
  2. Step 2: Convert to fraction form
    18,261,707.16/25,201,948.05 = 10,112,945.16/x
  3. Step 3: Cross multiply
    18,261,707.16x = 25,201,948.05 × 10,112,945.16
  4. Step 4: Simplify right side
    18,261,707.16x = 254,865,918,554,818.94
  5. Step 5: Solve for x
    x = 254,865,918,554,818.94/18,261,707.16
  6. Step 6: Final answer
    x = 13,956,303.01

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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.