Home / 13,705,412.20-18,913,468.98-7,593,840.70

Finding the Fourth Proportional to 13,705,412.20, 18,913,468.98 and 7,593,840.70

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Solution

The fourth proportional to 13,705,412.20, 18,913,468.98 and 7,593,840.70 is: 10,479,500.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,705,412.20 : 18,913,468.98 = 7,593,840.70 : x
  2. Step 2: Convert to fraction form
    13,705,412.20/18,913,468.98 = 7,593,840.70/x
  3. Step 3: Cross multiply
    13,705,412.20x = 18,913,468.98 × 7,593,840.70
  4. Step 4: Simplify right side
    13,705,412.20x = 143,625,870,518,511.50
  5. Step 5: Solve for x
    x = 143,625,870,518,511.50/13,705,412.20
  6. Step 6: Final answer
    x = 10,479,500.25

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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.