Home / 10,227,680.76-14,113,981.80-5,581,311.72

Finding the Fourth Proportional to 10,227,680.76, 14,113,981.80 and 5,581,311.72

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Solution

The fourth proportional to 10,227,680.76, 14,113,981.80 and 5,581,311.72 is: 7,702,091.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,227,680.76 : 14,113,981.80 = 5,581,311.72 : x
  2. Step 2: Convert to fraction form
    10,227,680.76/14,113,981.80 = 5,581,311.72/x
  3. Step 3: Cross multiply
    10,227,680.76x = 14,113,981.80 × 5,581,311.72
  4. Step 4: Simplify right side
    10,227,680.76x = 78,774,532,036,206.70
  5. Step 5: Solve for x
    x = 78,774,532,036,206.70/10,227,680.76
  6. Step 6: Final answer
    x = 7,702,091.40

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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.