Home / 18,501,554.29-27,779,612.84-10,320,180.79

Finding the Fourth Proportional to 18,501,554.29, 27,779,612.84 and 10,320,180.79

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Solution

The fourth proportional to 18,501,554.29, 27,779,612.84 and 10,320,180.79 is: 15,495,488.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,501,554.29 : 27,779,612.84 = 10,320,180.79 : x
  2. Step 2: Convert to fraction form
    18,501,554.29/27,779,612.84 = 10,320,180.79/x
  3. Step 3: Cross multiply
    18,501,554.29x = 27,779,612.84 × 10,320,180.79
  4. Step 4: Simplify right side
    18,501,554.29x = 286,690,626,594,506.38
  5. Step 5: Solve for x
    x = 286,690,626,594,506.38/18,501,554.29
  6. Step 6: Final answer
    x = 15,495,488.77

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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.