Home / 15,644,852.56-21,590,894.28-8,769,336.40

Finding the Fourth Proportional to 15,644,852.56, 21,590,894.28 and 8,769,336.40

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Solution

The fourth proportional to 15,644,852.56, 21,590,894.28 and 8,769,336.40 is: 12,102,243.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,644,852.56 : 21,590,894.28 = 8,769,336.40 : x
  2. Step 2: Convert to fraction form
    15,644,852.56/21,590,894.28 = 8,769,336.40/x
  3. Step 3: Cross multiply
    15,644,852.56x = 21,590,894.28 × 8,769,336.40
  4. Step 4: Simplify right side
    15,644,852.56x = 189,337,815,118,155.81
  5. Step 5: Solve for x
    x = 189,337,815,118,155.81/15,644,852.56
  6. Step 6: Final answer
    x = 12,102,243.49

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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.