Home / 12,596,688.70-18,895,033.05-5,406,999.10

Finding the Fourth Proportional to 12,596,688.70, 18,895,033.05 and 5,406,999.10

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Solution

The fourth proportional to 12,596,688.70, 18,895,033.05 and 5,406,999.10 is: 8,110,498.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,596,688.70 : 18,895,033.05 = 5,406,999.10 : x
  2. Step 2: Convert to fraction form
    12,596,688.70/18,895,033.05 = 5,406,999.10/x
  3. Step 3: Cross multiply
    12,596,688.70x = 18,895,033.05 × 5,406,999.10
  4. Step 4: Simplify right side
    12,596,688.70x = 102,165,426,695,820.25
  5. Step 5: Solve for x
    x = 102,165,426,695,820.25/12,596,688.70
  6. Step 6: Final answer
    x = 8,110,498.65

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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.