Home / 15,963,930.72-22,030,225.74-8,720,586.72

Finding the Fourth Proportional to 15,963,930.72, 22,030,225.74 and 8,720,586.72

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Solution

The fourth proportional to 15,963,930.72, 22,030,225.74 and 8,720,586.72 is: 12,034,410.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,963,930.72 : 22,030,225.74 = 8,720,586.72 : x
  2. Step 2: Convert to fraction form
    15,963,930.72/22,030,225.74 = 8,720,586.72/x
  3. Step 3: Cross multiply
    15,963,930.72x = 22,030,225.74 × 8,720,586.72
  4. Step 4: Simplify right side
    15,963,930.72x = 192,116,494,026,846.19
  5. Step 5: Solve for x
    x = 192,116,494,026,846.19/15,963,930.72
  6. Step 6: Final answer
    x = 12,034,410.41

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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.