Home / 31,287,920.40-46,875,893.40-26,473,021.20

Finding the Fourth Proportional to 31,287,920.40, 46,875,893.40 and 26,473,021.20

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Solution

The fourth proportional to 31,287,920.40, 46,875,893.40 and 26,473,021.20 is: 39,662,160.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,287,920.40 : 46,875,893.40 = 26,473,021.20 : x
  2. Step 2: Convert to fraction form
    31,287,920.40/46,875,893.40 = 26,473,021.20/x
  3. Step 3: Cross multiply
    31,287,920.40x = 46,875,893.40 × 26,473,021.20
  4. Step 4: Simplify right side
    31,287,920.40x = 1,240,946,519,747,140
  5. Step 5: Solve for x
    x = 1,240,946,519,747,140/31,287,920.40
  6. Step 6: Final answer
    x = 39,662,160.47

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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.