Home / 16,579,178.40-22,878,380.16-9,136,598.64

Finding the Fourth Proportional to 16,579,178.40, 22,878,380.16 and 9,136,598.64

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Solution

The fourth proportional to 16,579,178.40, 22,878,380.16 and 9,136,598.64 is: 12,608,017.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,579,178.40 : 22,878,380.16 = 9,136,598.64 : x
  2. Step 2: Convert to fraction form
    16,579,178.40/22,878,380.16 = 9,136,598.64/x
  3. Step 3: Cross multiply
    16,579,178.40x = 22,878,380.16 × 9,136,598.64
  4. Step 4: Simplify right side
    16,579,178.40x = 209,030,577,055,259
  5. Step 5: Solve for x
    x = 209,030,577,055,259/16,579,178.40
  6. Step 6: Final answer
    x = 12,608,017.84

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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.