Home / 20,334,773.61-28,061,885.59-11,042,260.67

Finding the Fourth Proportional to 20,334,773.61, 28,061,885.59 and 11,042,260.67

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Solution

The fourth proportional to 20,334,773.61, 28,061,885.59 and 11,042,260.67 is: 15,238,264.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,334,773.61 : 28,061,885.59 = 11,042,260.67 : x
  2. Step 2: Convert to fraction form
    20,334,773.61/28,061,885.59 = 11,042,260.67/x
  3. Step 3: Cross multiply
    20,334,773.61x = 28,061,885.59 × 11,042,260.67
  4. Step 4: Simplify right side
    20,334,773.61x = 309,866,655,619,045.75
  5. Step 5: Solve for x
    x = 309,866,655,619,045.75/20,334,773.61
  6. Step 6: Final answer
    x = 15,238,264.34

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Double scale
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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.