Home / 12,596,710.70-18,895,066.05-5,407,021.10

Finding the Fourth Proportional to 12,596,710.70, 18,895,066.05 and 5,407,021.10

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Solution

The fourth proportional to 12,596,710.70, 18,895,066.05 and 5,407,021.10 is: 8,110,531.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,596,710.70 : 18,895,066.05 = 5,407,021.10 : x
  2. Step 2: Convert to fraction form
    12,596,710.70/18,895,066.05 = 5,407,021.10/x
  3. Step 3: Cross multiply
    12,596,710.70x = 18,895,066.05 × 5,407,021.10
  4. Step 4: Simplify right side
    12,596,710.70x = 102,166,020,818,243.66
  5. Step 5: Solve for x
    x = 102,166,020,818,243.66/12,596,710.70
  6. Step 6: Final answer
    x = 8,110,531.65

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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.