Home / 20,076,981.58-27,706,386.99-10,909,673.74

Finding the Fourth Proportional to 20,076,981.58, 27,706,386.99 and 10,909,673.74

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Solution

The fourth proportional to 20,076,981.58, 27,706,386.99 and 10,909,673.74 is: 15,055,432.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,076,981.58 : 27,706,386.99 = 10,909,673.74 : x
  2. Step 2: Convert to fraction form
    20,076,981.58/27,706,386.99 = 10,909,673.74/x
  3. Step 3: Cross multiply
    20,076,981.58x = 27,706,386.99 × 10,909,673.74
  4. Step 4: Simplify right side
    20,076,981.58x = 302,267,642,575,080.62
  5. Step 5: Solve for x
    x = 302,267,642,575,080.62/20,076,981.58
  6. Step 6: Final answer
    x = 15,055,432.58

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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.