Home / 31,507,373.85-47,261,060.78-9,944,155.28

Finding the Fourth Proportional to 31,507,373.85, 47,261,060.78 and 9,944,155.28

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Solution

The fourth proportional to 31,507,373.85, 47,261,060.78 and 9,944,155.28 is: 14,916,232.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,507,373.85 : 47,261,060.78 = 9,944,155.28 : x
  2. Step 2: Convert to fraction form
    31,507,373.85/47,261,060.78 = 9,944,155.28/x
  3. Step 3: Cross multiply
    31,507,373.85x = 47,261,060.78 × 9,944,155.28
  4. Step 4: Simplify right side
    31,507,373.85x = 469,971,326,807,811.81
  5. Step 5: Solve for x
    x = 469,971,326,807,811.81/31,507,373.85
  6. Step 6: Final answer
    x = 14,916,232.91

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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.