Home / 28,700,920.28-39,606,129.15-16,943,975.76

Finding the Fourth Proportional to 28,700,920.28, 39,606,129.15 and 16,943,975.76

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Solution

The fourth proportional to 28,700,920.28, 39,606,129.15 and 16,943,975.76 is: 23,382,013.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,700,920.28 : 39,606,129.15 = 16,943,975.76 : x
  2. Step 2: Convert to fraction form
    28,700,920.28/39,606,129.15 = 16,943,975.76/x
  3. Step 3: Cross multiply
    28,700,920.28x = 39,606,129.15 × 16,943,975.76
  4. Step 4: Simplify right side
    28,700,920.28x = 671,085,292,265,029.50
  5. Step 5: Solve for x
    x = 671,085,292,265,029.50/28,700,920.28
  6. Step 6: Final answer
    x = 23,382,013.04

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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.