Home / 12,822,753.44-17,695,617.36-7,021,442.72

Finding the Fourth Proportional to 12,822,753.44, 17,695,617.36 and 7,021,442.72

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Solution

The fourth proportional to 12,822,753.44, 17,695,617.36 and 7,021,442.72 is: 9,689,710.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,822,753.44 : 17,695,617.36 = 7,021,442.72 : x
  2. Step 2: Convert to fraction form
    12,822,753.44/17,695,617.36 = 7,021,442.72/x
  3. Step 3: Cross multiply
    12,822,753.44x = 17,695,617.36 × 7,021,442.72
  4. Step 4: Simplify right side
    12,822,753.44x = 124,248,763,688,277.61
  5. Step 5: Solve for x
    x = 124,248,763,688,277.61/12,822,753.44
  6. Step 6: Final answer
    x = 9,689,710.11

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1.5x scale

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.