Home / 21,756,169.08-30,021,430.14-11,966,457.24

Finding the Fourth Proportional to 21,756,169.08, 30,021,430.14 and 11,966,457.24

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Solution

The fourth proportional to 21,756,169.08, 30,021,430.14 and 11,966,457.24 is: 16,512,565.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,756,169.08 : 30,021,430.14 = 11,966,457.24 : x
  2. Step 2: Convert to fraction form
    21,756,169.08/30,021,430.14 = 11,966,457.24/x
  3. Step 3: Cross multiply
    21,756,169.08x = 30,021,430.14 × 11,966,457.24
  4. Step 4: Simplify right side
    21,756,169.08x = 359,250,160,053,957.25
  5. Step 5: Solve for x
    x = 359,250,160,053,957.25/21,756,169.08
  6. Step 6: Final answer
    x = 16,512,565.18

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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.