Home / 28,068,688.46-42,103,008.06-10,564,515.90

Finding the Fourth Proportional to 28,068,688.46, 42,103,008.06 and 10,564,515.90

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Solution

The fourth proportional to 28,068,688.46, 42,103,008.06 and 10,564,515.90 is: 15,846,764.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,068,688.46 : 42,103,008.06 = 10,564,515.90 : x
  2. Step 2: Convert to fraction form
    28,068,688.46/42,103,008.06 = 10,564,515.90/x
  3. Step 3: Cross multiply
    28,068,688.46x = 42,103,008.06 × 10,564,515.90
  4. Step 4: Simplify right side
    28,068,688.46x = 444,797,898,087,698.19
  5. Step 5: Solve for x
    x = 444,797,898,087,698.19/28,068,688.46
  6. Step 6: Final answer
    x = 15,846,764.58

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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.