Home / 18,506,119.13-25,492,812.50-15,743,960.00

Finding the Fourth Proportional to 18,506,119.13, 25,492,812.50 and 15,743,960.00

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Solution

The fourth proportional to 18,506,119.13, 25,492,812.50 and 15,743,960.00 is: 21,687,843.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,506,119.13 : 25,492,812.50 = 15,743,960.00 : x
  2. Step 2: Convert to fraction form
    18,506,119.13/25,492,812.50 = 15,743,960.00/x
  3. Step 3: Cross multiply
    18,506,119.13x = 25,492,812.50 × 15,743,960.00
  4. Step 4: Simplify right side
    18,506,119.13x = 401,357,820,199,395.81
  5. Step 5: Solve for x
    x = 401,357,820,199,395.81/18,506,119.13
  6. Step 6: Final answer
    x = 21,687,843.76

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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.