Home / 31,104,666.40-46,656,999.60-19,011,431.20

Finding the Fourth Proportional to 31,104,666.40, 46,656,999.60 and 19,011,431.20

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Solution

The fourth proportional to 31,104,666.40, 46,656,999.60 and 19,011,431.20 is: 28,517,146.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,104,666.40 : 46,656,999.60 = 19,011,431.20 : x
  2. Step 2: Convert to fraction form
    31,104,666.40/46,656,999.60 = 19,011,431.20/x
  3. Step 3: Cross multiply
    31,104,666.40x = 46,656,999.60 × 19,011,431.20
  4. Step 4: Simplify right side
    31,104,666.40x = 887,016,337,893,827.50
  5. Step 5: Solve for x
    x = 887,016,337,893,827.50/31,104,666.40
  6. Step 6: Final answer
    x = 28,517,146.80

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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.