Home / 28,068,686.21-42,103,004.69-10,564,513.65

Finding the Fourth Proportional to 28,068,686.21, 42,103,004.69 and 10,564,513.65

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Solution

The fourth proportional to 28,068,686.21, 42,103,004.69 and 10,564,513.65 is: 15,846,761.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,068,686.21 : 42,103,004.69 = 10,564,513.65 : x
  2. Step 2: Convert to fraction form
    28,068,686.21/42,103,004.69 = 10,564,513.65/x
  3. Step 3: Cross multiply
    28,068,686.21x = 42,103,004.69 × 10,564,513.65
  4. Step 4: Simplify right side
    28,068,686.21x = 444,797,767,700,696.50
  5. Step 5: Solve for x
    x = 444,797,767,700,696.50/28,068,686.21
  6. Step 6: Final answer
    x = 15,846,761.21

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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.