Home / 14,121,489.48-19,486,096.22-7,925,115.01

Finding the Fourth Proportional to 14,121,489.48, 19,486,096.22 and 7,925,115.01

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Solution

The fourth proportional to 14,121,489.48, 19,486,096.22 and 7,925,115.01 is: 10,935,783.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,121,489.48 : 19,486,096.22 = 7,925,115.01 : x
  2. Step 2: Convert to fraction form
    14,121,489.48/19,486,096.22 = 7,925,115.01/x
  3. Step 3: Cross multiply
    14,121,489.48x = 19,486,096.22 × 7,925,115.01
  4. Step 4: Simplify right side
    14,121,489.48x = 154,429,553,502,370.19
  5. Step 5: Solve for x
    x = 154,429,553,502,370.19/14,121,489.48
  6. Step 6: Final answer
    x = 10,935,783.63

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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.