Home / 28,572,013.67-39,429,698.40-16,813,881.55

Finding the Fourth Proportional to 28,572,013.67, 39,429,698.40 and 16,813,881.55

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Solution

The fourth proportional to 28,572,013.67, 39,429,698.40 and 16,813,881.55 is: 23,203,344.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,572,013.67 : 39,429,698.40 = 16,813,881.55 : x
  2. Step 2: Convert to fraction form
    28,572,013.67/39,429,698.40 = 16,813,881.55/x
  3. Step 3: Cross multiply
    28,572,013.67x = 39,429,698.40 × 16,813,881.55
  4. Step 4: Simplify right side
    28,572,013.67x = 662,966,278,351,250.25
  5. Step 5: Solve for x
    x = 662,966,278,351,250.25/28,572,013.67
  6. Step 6: Final answer
    x = 23,203,344.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.