Home / 12,290,875.02-16,961,314.02-6,784,249.20

Finding the Fourth Proportional to 12,290,875.02, 16,961,314.02 and 6,784,249.20

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Solution

The fourth proportional to 12,290,875.02, 16,961,314.02 and 6,784,249.20 is: 9,362,212.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,290,875.02 : 16,961,314.02 = 6,784,249.20 : x
  2. Step 2: Convert to fraction form
    12,290,875.02/16,961,314.02 = 6,784,249.20/x
  3. Step 3: Cross multiply
    12,290,875.02x = 16,961,314.02 × 6,784,249.20
  4. Step 4: Simplify right side
    12,290,875.02x = 115,069,781,071,133.78
  5. Step 5: Solve for x
    x = 115,069,781,071,133.78/12,290,875.02
  6. Step 6: Final answer
    x = 9,362,212.28

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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.