Home / 20,355,607.40-30,533,411.10-6,892,435.40

Finding the Fourth Proportional to 20,355,607.40, 30,533,411.10 and 6,892,435.40

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Solution

The fourth proportional to 20,355,607.40, 30,533,411.10 and 6,892,435.40 is: 10,338,653.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,355,607.40 : 30,533,411.10 = 6,892,435.40 : x
  2. Step 2: Convert to fraction form
    20,355,607.40/30,533,411.10 = 6,892,435.40/x
  3. Step 3: Cross multiply
    20,355,607.40x = 30,533,411.10 × 6,892,435.40
  4. Step 4: Simplify right side
    20,355,607.40x = 210,449,563,548,392.97
  5. Step 5: Solve for x
    x = 210,449,563,548,392.97/20,355,607.40
  6. Step 6: Final answer
    x = 10,338,653.10

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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.