Home / 18,501,555.29-27,779,614.34-10,320,181.79

Finding the Fourth Proportional to 18,501,555.29, 27,779,614.34 and 10,320,181.79

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Solution

The fourth proportional to 18,501,555.29, 27,779,614.34 and 10,320,181.79 is: 15,495,490.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,501,555.29 : 27,779,614.34 = 10,320,181.79 : x
  2. Step 2: Convert to fraction form
    18,501,555.29/27,779,614.34 = 10,320,181.79/x
  3. Step 3: Cross multiply
    18,501,555.29x = 27,779,614.34 × 10,320,181.79
  4. Step 4: Simplify right side
    18,501,555.29x = 286,690,670,044,890.81
  5. Step 5: Solve for x
    x = 286,690,670,044,890.81/18,501,555.29
  6. Step 6: Final answer
    x = 15,495,490.27

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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.