Home / 13,108,378.45-18,090,547.37-7,601,705.50

Finding the Fourth Proportional to 13,108,378.45, 18,090,547.37 and 7,601,705.50

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Solution

The fourth proportional to 13,108,378.45, 18,090,547.37 and 7,601,705.50 is: 10,490,924.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,108,378.45 : 18,090,547.37 = 7,601,705.50 : x
  2. Step 2: Convert to fraction form
    13,108,378.45/18,090,547.37 = 7,601,705.50/x
  3. Step 3: Cross multiply
    13,108,378.45x = 18,090,547.37 × 7,601,705.50
  4. Step 4: Simplify right side
    13,108,378.45x = 137,519,013,385,811.02
  5. Step 5: Solve for x
    x = 137,519,013,385,811.02/13,108,378.45
  6. Step 6: Final answer
    x = 10,490,924.86

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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.