Home / 18,430,864.40-25,434,603.78-10,282,102.40

Finding the Fourth Proportional to 18,430,864.40, 25,434,603.78 and 10,282,102.40

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Solution

The fourth proportional to 18,430,864.40, 25,434,603.78 and 10,282,102.40 is: 14,189,307.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,430,864.40 : 25,434,603.78 = 10,282,102.40 : x
  2. Step 2: Convert to fraction form
    18,430,864.40/25,434,603.78 = 10,282,102.40/x
  3. Step 3: Cross multiply
    18,430,864.40x = 25,434,603.78 × 10,282,102.40
  4. Step 4: Simplify right side
    18,430,864.40x = 261,521,200,569,387.09
  5. Step 5: Solve for x
    x = 261,521,200,569,387.09/18,430,864.40
  6. Step 6: Final answer
    x = 14,189,307.40

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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.