Home / 31,104,165.60-46,656,248.40-19,143,640.80

Finding the Fourth Proportional to 31,104,165.60, 46,656,248.40 and 19,143,640.80

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Solution

The fourth proportional to 31,104,165.60, 46,656,248.40 and 19,143,640.80 is: 28,715,461.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,104,165.60 : 46,656,248.40 = 19,143,640.80 : x
  2. Step 2: Convert to fraction form
    31,104,165.60/46,656,248.40 = 19,143,640.80/x
  3. Step 3: Cross multiply
    31,104,165.60x = 46,656,248.40 × 19,143,640.80
  4. Step 4: Simplify right side
    31,104,165.60x = 893,170,460,445,174.75
  5. Step 5: Solve for x
    x = 893,170,460,445,174.75/31,104,165.60
  6. Step 6: Final answer
    x = 28,715,461.20

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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.