Home / 31,042,381.95-46,570,780.55-10,572,278.78

Finding the Fourth Proportional to 31,042,381.95, 46,570,780.55 and 10,572,278.78

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Solution

The fourth proportional to 31,042,381.95, 46,570,780.55 and 10,572,278.78 is: 15,860,872.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,042,381.95 : 46,570,780.55 = 10,572,278.78 : x
  2. Step 2: Convert to fraction form
    31,042,381.95/46,570,780.55 = 10,572,278.78/x
  3. Step 3: Cross multiply
    31,042,381.95x = 46,570,780.55 × 10,572,278.78
  4. Step 4: Simplify right side
    31,042,381.95x = 492,359,274,976,801.69
  5. Step 5: Solve for x
    x = 492,359,274,976,801.69/31,042,381.95
  6. Step 6: Final answer
    x = 15,860,872.91

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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.