Home / 20,176,193.76-30,262,055.04-7,221,827.04

Finding the Fourth Proportional to 20,176,193.76, 30,262,055.04 and 7,221,827.04

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Solution

The fourth proportional to 20,176,193.76, 30,262,055.04 and 7,221,827.04 is: 10,831,940.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,176,193.76 : 30,262,055.04 = 7,221,827.04 : x
  2. Step 2: Convert to fraction form
    20,176,193.76/30,262,055.04 = 7,221,827.04/x
  3. Step 3: Cross multiply
    20,176,193.76x = 30,262,055.04 × 7,221,827.04
  4. Step 4: Simplify right side
    20,176,193.76x = 218,547,327,373,840.28
  5. Step 5: Solve for x
    x = 218,547,327,373,840.28/20,176,193.76
  6. Step 6: Final answer
    x = 10,831,940.35

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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.