Home / 18,709,097.90-28,087,266.45-10,080,070.70

Finding the Fourth Proportional to 18,709,097.90, 28,087,266.45 and 10,080,070.70

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Solution

The fourth proportional to 18,709,097.90, 28,087,266.45 and 10,080,070.70 is: 15,132,831.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,709,097.90 : 28,087,266.45 = 10,080,070.70 : x
  2. Step 2: Convert to fraction form
    18,709,097.90/28,087,266.45 = 10,080,070.70/x
  3. Step 3: Cross multiply
    18,709,097.90x = 28,087,266.45 × 10,080,070.70
  4. Step 4: Simplify right side
    18,709,097.90x = 283,121,631,585,738
  5. Step 5: Solve for x
    x = 283,121,631,585,738/18,709,097.90
  6. Step 6: Final answer
    x = 15,132,831.80

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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.