Home / 31,415,214.80-47,117,573.40-8,698,408.40

Finding the Fourth Proportional to 31,415,214.80, 47,117,573.40 and 8,698,408.40

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Solution

The fourth proportional to 31,415,214.80, 47,117,573.40 and 8,698,408.40 is: 13,046,159.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,415,214.80 : 47,117,573.40 = 8,698,408.40 : x
  2. Step 2: Convert to fraction form
    31,415,214.80/47,117,573.40 = 8,698,408.40/x
  3. Step 3: Cross multiply
    31,415,214.80x = 47,117,573.40 × 8,698,408.40
  4. Step 4: Simplify right side
    31,415,214.80x = 409,847,896,250,176.56
  5. Step 5: Solve for x
    x = 409,847,896,250,176.56/31,415,214.80
  6. Step 6: Final answer
    x = 13,046,159.28

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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.