Home / 22,506,680.64-31,059,368.38-12,193,403.72

Finding the Fourth Proportional to 22,506,680.64, 31,059,368.38 and 12,193,403.72

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Solution

The fourth proportional to 22,506,680.64, 31,059,368.38 and 12,193,403.72 is: 16,826,977.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,506,680.64 : 31,059,368.38 = 12,193,403.72 : x
  2. Step 2: Convert to fraction form
    22,506,680.64/31,059,368.38 = 12,193,403.72/x
  3. Step 3: Cross multiply
    22,506,680.64x = 31,059,368.38 × 12,193,403.72
  4. Step 4: Simplify right side
    22,506,680.64x = 378,719,417,945,542.38
  5. Step 5: Solve for x
    x = 378,719,417,945,542.38/22,506,680.64
  6. Step 6: Final answer
    x = 16,826,977.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.