Home / 38,105,989.54-52,574,680.16-21,583,488.86

Finding the Fourth Proportional to 38,105,989.54, 52,574,680.16 and 21,583,488.86

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Solution

The fourth proportional to 38,105,989.54, 52,574,680.16 and 21,583,488.86 is: 29,778,652.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,105,989.54 : 52,574,680.16 = 21,583,488.86 : x
  2. Step 2: Convert to fraction form
    38,105,989.54/52,574,680.16 = 21,583,488.86/x
  3. Step 3: Cross multiply
    38,105,989.54x = 52,574,680.16 × 21,583,488.86
  4. Step 4: Simplify right side
    38,105,989.54x = 1,134,745,023,551,423
  5. Step 5: Solve for x
    x = 1,134,745,023,551,423/38,105,989.54
  6. Step 6: Final answer
    x = 29,778,652.58

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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.