Home / 10,603,818.79-15,904,537.05-2,928,554.76

Finding the Fourth Proportional to 10,603,818.79, 15,904,537.05 and 2,928,554.76

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Solution

The fourth proportional to 10,603,818.79, 15,904,537.05 and 2,928,554.76 is: 4,392,503.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,603,818.79 : 15,904,537.05 = 2,928,554.76 : x
  2. Step 2: Convert to fraction form
    10,603,818.79/15,904,537.05 = 2,928,554.76/x
  3. Step 3: Cross multiply
    10,603,818.79x = 15,904,537.05 × 2,928,554.76
  4. Step 4: Simplify right side
    10,603,818.79x = 46,577,307,683,373.86
  5. Step 5: Solve for x
    x = 46,577,307,683,373.86/10,603,818.79
  6. Step 6: Final answer
    x = 4,392,503.17

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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.