Home / 19,210,115.85-28,817,191.83-6,257,275.91

Finding the Fourth Proportional to 19,210,115.85, 28,817,191.83 and 6,257,275.91

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Solution

The fourth proportional to 19,210,115.85, 28,817,191.83 and 6,257,275.91 is: 9,386,571.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,210,115.85 : 28,817,191.83 = 6,257,275.91 : x
  2. Step 2: Convert to fraction form
    19,210,115.85/28,817,191.83 = 6,257,275.91/x
  3. Step 3: Cross multiply
    19,210,115.85x = 28,817,191.83 × 6,257,275.91
  4. Step 4: Simplify right side
    19,210,115.85x = 180,317,120,219,151.12
  5. Step 5: Solve for x
    x = 180,317,120,219,151.12/19,210,115.85
  6. Step 6: Final answer
    x = 9,386,571.20

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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.