Home / 15,277,897.43-21,083,897.37-8,402,559.92

Finding the Fourth Proportional to 15,277,897.43, 21,083,897.37 and 8,402,559.92

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Solution

The fourth proportional to 15,277,897.43, 21,083,897.37 and 8,402,559.92 is: 11,595,752.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,277,897.43 : 21,083,897.37 = 8,402,559.92 : x
  2. Step 2: Convert to fraction form
    15,277,897.43/21,083,897.37 = 8,402,559.92/x
  3. Step 3: Cross multiply
    15,277,897.43x = 21,083,897.37 × 8,402,559.92
  4. Step 4: Simplify right side
    15,277,897.43x = 177,158,710,998,555.41
  5. Step 5: Solve for x
    x = 177,158,710,998,555.41/15,277,897.43
  6. Step 6: Final answer
    x = 11,595,752.09

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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.