Home / 31,509,703.20-47,264,554.80-17,904,813.60

Finding the Fourth Proportional to 31,509,703.20, 47,264,554.80 and 17,904,813.60

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Solution

The fourth proportional to 31,509,703.20, 47,264,554.80 and 17,904,813.60 is: 26,857,220.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,509,703.20 : 47,264,554.80 = 17,904,813.60 : x
  2. Step 2: Convert to fraction form
    31,509,703.20/47,264,554.80 = 17,904,813.60/x
  3. Step 3: Cross multiply
    31,509,703.20x = 47,264,554.80 × 17,904,813.60
  4. Step 4: Simplify right side
    31,509,703.20x = 846,263,043,580,985.25
  5. Step 5: Solve for x
    x = 846,263,043,580,985.25/31,509,703.20
  6. Step 6: Final answer
    x = 26,857,220.40

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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.