Home / 31,702,609.26-47,538,922.95-12,280,931.46

Finding the Fourth Proportional to 31,702,609.26, 47,538,922.95 and 12,280,931.46

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Solution

The fourth proportional to 31,702,609.26, 47,538,922.95 and 12,280,931.46 is: 18,415,590.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,702,609.26 : 47,538,922.95 = 12,280,931.46 : x
  2. Step 2: Convert to fraction form
    31,702,609.26/47,538,922.95 = 12,280,931.46/x
  3. Step 3: Cross multiply
    31,702,609.26x = 47,538,922.95 × 12,280,931.46
  4. Step 4: Simplify right side
    31,702,609.26x = 583,822,254,431,171.12
  5. Step 5: Solve for x
    x = 583,822,254,431,171.12/31,702,609.26
  6. Step 6: Final answer
    x = 18,415,590.01

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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.