Home / 15,035,423.29-20,748,894.92-8,159,905.35

Finding the Fourth Proportional to 15,035,423.29, 20,748,894.92 and 8,159,905.35

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Solution

The fourth proportional to 15,035,423.29, 20,748,894.92 and 8,159,905.35 is: 11,260,675.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,035,423.29 : 20,748,894.92 = 8,159,905.35 : x
  2. Step 2: Convert to fraction form
    15,035,423.29/20,748,894.92 = 8,159,905.35/x
  3. Step 3: Cross multiply
    15,035,423.29x = 20,748,894.92 × 8,159,905.35
  4. Step 4: Simplify right side
    15,035,423.29x = 169,309,018,664,295.84
  5. Step 5: Solve for x
    x = 169,309,018,664,295.84/15,035,423.29
  6. Step 6: Final answer
    x = 11,260,675.23

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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.