Home / 12,368,113.84-17,060,905.87-7,713,818.45

Finding the Fourth Proportional to 12,368,113.84, 17,060,905.87 and 7,713,818.45

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Solution

The fourth proportional to 12,368,113.84, 17,060,905.87 and 7,713,818.45 is: 10,640,646.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,368,113.84 : 17,060,905.87 = 7,713,818.45 : x
  2. Step 2: Convert to fraction form
    12,368,113.84/17,060,905.87 = 7,713,818.45/x
  3. Step 3: Cross multiply
    12,368,113.84x = 17,060,905.87 × 7,713,818.45
  4. Step 4: Simplify right side
    12,368,113.84x = 131,604,730,473,719.31
  5. Step 5: Solve for x
    x = 131,604,730,473,719.31/12,368,113.84
  6. Step 6: Final answer
    x = 10,640,646.76

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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.