Home / 18,665,292.86-25,743,501.95-12,141,005.70

Finding the Fourth Proportional to 18,665,292.86, 25,743,501.95 and 12,141,005.70

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Solution

The fourth proportional to 18,665,292.86, 25,743,501.95 and 12,141,005.70 is: 16,745,089.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,665,292.86 : 25,743,501.95 = 12,141,005.70 : x
  2. Step 2: Convert to fraction form
    18,665,292.86/25,743,501.95 = 12,141,005.70/x
  3. Step 3: Cross multiply
    18,665,292.86x = 25,743,501.95 × 12,141,005.70
  4. Step 4: Simplify right side
    18,665,292.86x = 312,552,003,852,206.06
  5. Step 5: Solve for x
    x = 312,552,003,852,206.06/18,665,292.86
  6. Step 6: Final answer
    x = 16,745,089.74

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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.