Home / 28,488,087.84-42,702,271.92-10,525,735.20

Finding the Fourth Proportional to 28,488,087.84, 42,702,271.92 and 10,525,735.20

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Solution

The fourth proportional to 28,488,087.84, 42,702,271.92 and 10,525,735.20 is: 15,777,570.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,488,087.84 : 42,702,271.92 = 10,525,735.20 : x
  2. Step 2: Convert to fraction form
    28,488,087.84/42,702,271.92 = 10,525,735.20/x
  3. Step 3: Cross multiply
    28,488,087.84x = 42,702,271.92 × 10,525,735.20
  4. Step 4: Simplify right side
    28,488,087.84x = 449,472,806,668,315.56
  5. Step 5: Solve for x
    x = 449,472,806,668,315.56/28,488,087.84
  6. Step 6: Final answer
    x = 15,777,570.23

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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.