Home / 19,260,709.90-28,895,341.65-6,480,853.90

Finding the Fourth Proportional to 19,260,709.90, 28,895,341.65 and 6,480,853.90

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Solution

The fourth proportional to 19,260,709.90, 28,895,341.65 and 6,480,853.90 is: 9,722,719.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,260,709.90 : 28,895,341.65 = 6,480,853.90 : x
  2. Step 2: Convert to fraction form
    19,260,709.90/28,895,341.65 = 6,480,853.90/x
  3. Step 3: Cross multiply
    19,260,709.90x = 28,895,341.65 × 6,480,853.90
  4. Step 4: Simplify right side
    19,260,709.90x = 187,266,487,624,234.94
  5. Step 5: Solve for x
    x = 187,266,487,624,234.94/19,260,709.90
  6. Step 6: Final answer
    x = 9,722,719.91

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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.