Home / 20,072,731.70-30,109,097.55-6,607,810.10

Finding the Fourth Proportional to 20,072,731.70, 30,109,097.55 and 6,607,810.10

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Solution

The fourth proportional to 20,072,731.70, 30,109,097.55 and 6,607,810.10 is: 9,911,715.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,072,731.70 : 30,109,097.55 = 6,607,810.10 : x
  2. Step 2: Convert to fraction form
    20,072,731.70/30,109,097.55 = 6,607,810.10/x
  3. Step 3: Cross multiply
    20,072,731.70x = 30,109,097.55 × 6,607,810.10
  4. Step 4: Simplify right side
    20,072,731.70x = 198,955,198,892,775.25
  5. Step 5: Solve for x
    x = 198,955,198,892,775.25/20,072,731.70
  6. Step 6: Final answer
    x = 9,911,715.15

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1.5x scale

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.