Home / 15,277,638.96-21,082,721.04-8,402,123.52

Finding the Fourth Proportional to 15,277,638.96, 21,082,721.04 and 8,402,123.52

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Solution

The fourth proportional to 15,277,638.96, 21,082,721.04 and 8,402,123.52 is: 11,594,699.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,277,638.96 : 21,082,721.04 = 8,402,123.52 : x
  2. Step 2: Convert to fraction form
    15,277,638.96/21,082,721.04 = 8,402,123.52/x
  3. Step 3: Cross multiply
    15,277,638.96x = 21,082,721.04 × 8,402,123.52
  4. Step 4: Simplify right side
    15,277,638.96x = 177,139,626,315,782.84
  5. Step 5: Solve for x
    x = 177,139,626,315,782.84/15,277,638.96
  6. Step 6: Final answer
    x = 11,594,699.07

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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.