Home / 52,264,325.28-72,122,880.72-28,742,658.72

Finding the Fourth Proportional to 52,264,325.28, 72,122,880.72 and 28,742,658.72

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Solution

The fourth proportional to 52,264,325.28, 72,122,880.72 and 28,742,658.72 is: 39,663,830.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,264,325.28 : 72,122,880.72 = 28,742,658.72 : x
  2. Step 2: Convert to fraction form
    52,264,325.28/72,122,880.72 = 28,742,658.72/x
  3. Step 3: Cross multiply
    52,264,325.28x = 72,122,880.72 × 28,742,658.72
  4. Step 4: Simplify right side
    52,264,325.28x = 2,073,003,346,438,227.75
  5. Step 5: Solve for x
    x = 2,073,003,346,438,227.75/52,264,325.28
  6. Step 6: Final answer
    x = 39,663,830.64

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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.