Home / 25,528,040.70-38,292,061.05-18,361,679.10

Finding the Fourth Proportional to 25,528,040.70, 38,292,061.05 and 18,361,679.10

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Solution

The fourth proportional to 25,528,040.70, 38,292,061.05 and 18,361,679.10 is: 27,542,518.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,528,040.70 : 38,292,061.05 = 18,361,679.10 : x
  2. Step 2: Convert to fraction form
    25,528,040.70/38,292,061.05 = 18,361,679.10/x
  3. Step 3: Cross multiply
    25,528,040.70x = 38,292,061.05 × 18,361,679.10
  4. Step 4: Simplify right side
    25,528,040.70x = 703,106,537,077,709
  5. Step 5: Solve for x
    x = 703,106,537,077,709/25,528,040.70
  6. Step 6: Final answer
    x = 27,542,518.65

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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.