Home / 19,783,931.40-29,675,897.10-17,831,377.80

Finding the Fourth Proportional to 19,783,931.40, 29,675,897.10 and 17,831,377.80

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Solution

The fourth proportional to 19,783,931.40, 29,675,897.10 and 17,831,377.80 is: 26,747,066.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,783,931.40 : 29,675,897.10 = 17,831,377.80 : x
  2. Step 2: Convert to fraction form
    19,783,931.40/29,675,897.10 = 17,831,377.80/x
  3. Step 3: Cross multiply
    19,783,931.40x = 29,675,897.10 × 17,831,377.80
  4. Step 4: Simplify right side
    19,783,931.40x = 529,162,132,744,024.44
  5. Step 5: Solve for x
    x = 529,162,132,744,024.44/19,783,931.40
  6. Step 6: Final answer
    x = 26,747,066.70

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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.