Home / 31,248,009.40-46,872,014.10-13,294,780.60

Finding the Fourth Proportional to 31,248,009.40, 46,872,014.10 and 13,294,780.60

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Solution

The fourth proportional to 31,248,009.40, 46,872,014.10 and 13,294,780.60 is: 19,942,170.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,248,009.40 : 46,872,014.10 = 13,294,780.60 : x
  2. Step 2: Convert to fraction form
    31,248,009.40/46,872,014.10 = 13,294,780.60/x
  3. Step 3: Cross multiply
    31,248,009.40x = 46,872,014.10 × 13,294,780.60
  4. Step 4: Simplify right side
    31,248,009.40x = 623,153,143,739,606.50
  5. Step 5: Solve for x
    x = 623,153,143,739,606.50/31,248,009.40
  6. Step 6: Final answer
    x = 19,942,170.90

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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.