Home / 13,781,532.42-19,018,514.77-7,671,404.34

Finding the Fourth Proportional to 13,781,532.42, 19,018,514.77 and 7,671,404.34

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Solution

The fourth proportional to 13,781,532.42, 19,018,514.77 and 7,671,404.34 is: 10,586,538.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,781,532.42 : 19,018,514.77 = 7,671,404.34 : x
  2. Step 2: Convert to fraction form
    13,781,532.42/19,018,514.77 = 7,671,404.34/x
  3. Step 3: Cross multiply
    13,781,532.42x = 19,018,514.77 × 7,671,404.34
  4. Step 4: Simplify right side
    13,781,532.42x = 145,898,716,746,932.09
  5. Step 5: Solve for x
    x = 145,898,716,746,932.09/13,781,532.42
  6. Step 6: Final answer
    x = 10,586,538.01

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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.