Home / 38,136,519.63-52,628,995.89-20,732,931.32

Finding the Fourth Proportional to 38,136,519.63, 52,628,995.89 and 20,732,931.32

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Solution

The fourth proportional to 38,136,519.63, 52,628,995.89 and 20,732,931.32 is: 28,611,770.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,136,519.63 : 52,628,995.89 = 20,732,931.32 : x
  2. Step 2: Convert to fraction form
    38,136,519.63/52,628,995.89 = 20,732,931.32/x
  3. Step 3: Cross multiply
    38,136,519.63x = 52,628,995.89 × 20,732,931.32
  4. Step 4: Simplify right side
    38,136,519.63x = 1,091,153,356,964,787.38
  5. Step 5: Solve for x
    x = 1,091,153,356,964,787.38/38,136,519.63
  6. Step 6: Final answer
    x = 28,611,770.75

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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.