Home / 31,575,189.10-47,362,783.65-21,371,521.90

Finding the Fourth Proportional to 31,575,189.10, 47,362,783.65 and 21,371,521.90

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Solution

The fourth proportional to 31,575,189.10, 47,362,783.65 and 21,371,521.90 is: 32,057,282.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,575,189.10 : 47,362,783.65 = 21,371,521.90 : x
  2. Step 2: Convert to fraction form
    31,575,189.10/47,362,783.65 = 21,371,521.90/x
  3. Step 3: Cross multiply
    31,575,189.10x = 47,362,783.65 × 21,371,521.90
  4. Step 4: Simplify right side
    31,575,189.10x = 1,012,214,768,020,936.88
  5. Step 5: Solve for x
    x = 1,012,214,768,020,936.88/31,575,189.10
  6. Step 6: Final answer
    x = 32,057,282.85

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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.