Home / 10,551,186.77-15,818,512.10-4,166,218.40

Finding the Fourth Proportional to 10,551,186.77, 15,818,512.10 and 4,166,218.40

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Solution

The fourth proportional to 10,551,186.77, 15,818,512.10 and 4,166,218.40 is: 6,246,062.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,551,186.77 : 15,818,512.10 = 4,166,218.40 : x
  2. Step 2: Convert to fraction form
    10,551,186.77/15,818,512.10 = 4,166,218.40/x
  3. Step 3: Cross multiply
    10,551,186.77x = 15,818,512.10 × 4,166,218.40
  4. Step 4: Simplify right side
    10,551,186.77x = 65,903,376,071,718.99
  5. Step 5: Solve for x
    x = 65,903,376,071,718.99/10,551,186.77
  6. Step 6: Final answer
    x = 6,246,062.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.