Home / 13,172,023.30-19,758,034.95-8,651,640.10

Finding the Fourth Proportional to 13,172,023.30, 19,758,034.95 and 8,651,640.10

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Solution

The fourth proportional to 13,172,023.30, 19,758,034.95 and 8,651,640.10 is: 12,977,460.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,172,023.30 : 19,758,034.95 = 8,651,640.10 : x
  2. Step 2: Convert to fraction form
    13,172,023.30/19,758,034.95 = 8,651,640.10/x
  3. Step 3: Cross multiply
    13,172,023.30x = 19,758,034.95 × 8,651,640.10
  4. Step 4: Simplify right side
    13,172,023.30x = 170,939,407,470,621.47
  5. Step 5: Solve for x
    x = 170,939,407,470,621.47/13,172,023.30
  6. Step 6: Final answer
    x = 12,977,460.15

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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.