Home / 15,006,588-20,708,129.52-8,391,721.92

Finding the Fourth Proportional to 15,006,588, 20,708,129.52 and 8,391,721.92

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Solution

The fourth proportional to 15,006,588, 20,708,129.52 and 8,391,721.92 is: 11,580,038.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,006,588 : 20,708,129.52 = 8,391,721.92 : x
  2. Step 2: Convert to fraction form
    15,006,588/20,708,129.52 = 8,391,721.92/x
  3. Step 3: Cross multiply
    15,006,588x = 20,708,129.52 × 8,391,721.92
  4. Step 4: Simplify right side
    15,006,588x = 173,776,864,415,183.06
  5. Step 5: Solve for x
    x = 173,776,864,415,183.06/15,006,588
  6. Step 6: Final answer
    x = 11,580,038.34

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1.5x scale

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.