Home / 19,476,729.60-29,215,094.40-18,732,712.20

Finding the Fourth Proportional to 19,476,729.60, 29,215,094.40 and 18,732,712.20

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Solution

The fourth proportional to 19,476,729.60, 29,215,094.40 and 18,732,712.20 is: 28,099,068.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,476,729.60 : 29,215,094.40 = 18,732,712.20 : x
  2. Step 2: Convert to fraction form
    19,476,729.60/29,215,094.40 = 18,732,712.20/x
  3. Step 3: Cross multiply
    19,476,729.60x = 29,215,094.40 × 18,732,712.20
  4. Step 4: Simplify right side
    19,476,729.60x = 547,277,955,291,031.62
  5. Step 5: Solve for x
    x = 547,277,955,291,031.62/19,476,729.60
  6. Step 6: Final answer
    x = 28,099,068.30

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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.