Home / 31,602,175.20-47,374,880.40-12,445,999.20

Finding the Fourth Proportional to 31,602,175.20, 47,374,880.40 and 12,445,999.20

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Solution

The fourth proportional to 31,602,175.20, 47,374,880.40 and 12,445,999.20 is: 18,657,820.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,602,175.20 : 47,374,880.40 = 12,445,999.20 : x
  2. Step 2: Convert to fraction form
    31,602,175.20/47,374,880.40 = 12,445,999.20/x
  3. Step 3: Cross multiply
    31,602,175.20x = 47,374,880.40 × 12,445,999.20
  4. Step 4: Simplify right side
    31,602,175.20x = 589,627,723,558,495.62
  5. Step 5: Solve for x
    x = 589,627,723,558,495.62/31,602,175.20
  6. Step 6: Final answer
    x = 18,657,820.86

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1.5x scale

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.