Home / 20,072,729.70-30,109,094.55-6,607,808.10

Finding the Fourth Proportional to 20,072,729.70, 30,109,094.55 and 6,607,808.10

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Solution

The fourth proportional to 20,072,729.70, 30,109,094.55 and 6,607,808.10 is: 9,911,712.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,072,729.70 : 30,109,094.55 = 6,607,808.10 : x
  2. Step 2: Convert to fraction form
    20,072,729.70/30,109,094.55 = 6,607,808.10/x
  3. Step 3: Cross multiply
    20,072,729.70x = 30,109,094.55 × 6,607,808.10
  4. Step 4: Simplify right side
    20,072,729.70x = 198,955,118,851,155.84
  5. Step 5: Solve for x
    x = 198,955,118,851,155.84/20,072,729.70
  6. Step 6: Final answer
    x = 9,911,712.15

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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.