Home / 14,338,654.40-21,507,981.60-12,771,012.80

Finding the Fourth Proportional to 14,338,654.40, 21,507,981.60 and 12,771,012.80

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Solution

The fourth proportional to 14,338,654.40, 21,507,981.60 and 12,771,012.80 is: 19,156,519.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,338,654.40 : 21,507,981.60 = 12,771,012.80 : x
  2. Step 2: Convert to fraction form
    14,338,654.40/21,507,981.60 = 12,771,012.80/x
  3. Step 3: Cross multiply
    14,338,654.40x = 21,507,981.60 × 12,771,012.80
  4. Step 4: Simplify right side
    14,338,654.40x = 274,678,708,315,764.50
  5. Step 5: Solve for x
    x = 274,678,708,315,764.50/14,338,654.40
  6. Step 6: Final answer
    x = 19,156,519.20

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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.