Home / 28,905,756.02-39,892,466.04-15,855,537.22

Finding the Fourth Proportional to 28,905,756.02, 39,892,466.04 and 15,855,537.22

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Solution

The fourth proportional to 28,905,756.02, 39,892,466.04 and 15,855,537.22 is: 21,882,025.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,905,756.02 : 39,892,466.04 = 15,855,537.22 : x
  2. Step 2: Convert to fraction form
    28,905,756.02/39,892,466.04 = 15,855,537.22/x
  3. Step 3: Cross multiply
    28,905,756.02x = 39,892,466.04 × 15,855,537.22
  4. Step 4: Simplify right side
    28,905,756.02x = 632,516,480,094,806
  5. Step 5: Solve for x
    x = 632,516,480,094,806/28,905,756.02
  6. Step 6: Final answer
    x = 21,882,025.15

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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.