Home / 20,831,537.05-31,248,800.24-7,184,482.76

Finding the Fourth Proportional to 20,831,537.05, 31,248,800.24 and 7,184,482.76

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Solution

The fourth proportional to 20,831,537.05, 31,248,800.24 and 7,184,482.76 is: 10,777,239.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,831,537.05 : 31,248,800.24 = 7,184,482.76 : x
  2. Step 2: Convert to fraction form
    20,831,537.05/31,248,800.24 = 7,184,482.76/x
  3. Step 3: Cross multiply
    20,831,537.05x = 31,248,800.24 × 7,184,482.76
  4. Step 4: Simplify right side
    20,831,537.05x = 224,506,466,594,963.84
  5. Step 5: Solve for x
    x = 224,506,466,594,963.84/20,831,537.05
  6. Step 6: Final answer
    x = 10,777,239.63

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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.