Home / 12,136,476.15-18,215,047.80-4,953,165.30

Finding the Fourth Proportional to 12,136,476.15, 18,215,047.80 and 4,953,165.30

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Solution

The fourth proportional to 12,136,476.15, 18,215,047.80 and 4,953,165.30 is: 7,433,965.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,136,476.15 : 18,215,047.80 = 4,953,165.30 : x
  2. Step 2: Convert to fraction form
    12,136,476.15/18,215,047.80 = 4,953,165.30/x
  3. Step 3: Cross multiply
    12,136,476.15x = 18,215,047.80 × 4,953,165.30
  4. Step 4: Simplify right side
    12,136,476.15x = 90,222,142,700,801.34
  5. Step 5: Solve for x
    x = 90,222,142,700,801.34/12,136,476.15
  6. Step 6: Final answer
    x = 7,433,965.31

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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.