Home / 28,460,056.42-42,689,931.30-6,894,647.20

Finding the Fourth Proportional to 28,460,056.42, 42,689,931.30 and 6,894,647.20

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Solution

The fourth proportional to 28,460,056.42, 42,689,931.30 and 6,894,647.20 is: 10,341,933.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,460,056.42 : 42,689,931.30 = 6,894,647.20 : x
  2. Step 2: Convert to fraction form
    28,460,056.42/42,689,931.30 = 6,894,647.20/x
  3. Step 3: Cross multiply
    28,460,056.42x = 42,689,931.30 × 6,894,647.20
  4. Step 4: Simplify right side
    28,460,056.42x = 294,332,015,305,737.38
  5. Step 5: Solve for x
    x = 294,332,015,305,737.38/28,460,056.42
  6. Step 6: Final answer
    x = 10,341,933.65

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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.