Home / 12,476,045.40-18,714,068.10-7,101,274.20

Finding the Fourth Proportional to 12,476,045.40, 18,714,068.10 and 7,101,274.20

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Solution

The fourth proportional to 12,476,045.40, 18,714,068.10 and 7,101,274.20 is: 10,651,911.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,476,045.40 : 18,714,068.10 = 7,101,274.20 : x
  2. Step 2: Convert to fraction form
    12,476,045.40/18,714,068.10 = 7,101,274.20/x
  3. Step 3: Cross multiply
    12,476,045.40x = 18,714,068.10 × 7,101,274.20
  4. Step 4: Simplify right side
    12,476,045.40x = 132,893,728,975,573.03
  5. Step 5: Solve for x
    x = 132,893,728,975,573.03/12,476,045.40
  6. Step 6: Final answer
    x = 10,651,911.30

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Similar ratio
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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.