Home / 15,774,272.69-21,768,707.81-8,898,733.49

Finding the Fourth Proportional to 15,774,272.69, 21,768,707.81 and 8,898,733.49

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Solution

The fourth proportional to 15,774,272.69, 21,768,707.81 and 8,898,733.49 is: 12,280,371.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,774,272.69 : 21,768,707.81 = 8,898,733.49 : x
  2. Step 2: Convert to fraction form
    15,774,272.69/21,768,707.81 = 8,898,733.49/x
  3. Step 3: Cross multiply
    15,774,272.69x = 21,768,707.81 × 8,898,733.49
  4. Step 4: Simplify right side
    15,774,272.69x = 193,713,929,136,274.84
  5. Step 5: Solve for x
    x = 193,713,929,136,274.84/15,774,272.69
  6. Step 6: Final answer
    x = 12,280,371.53

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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.