Home / 13,335,572.17-18,403,145.99-7,224,000.67

Finding the Fourth Proportional to 13,335,572.17, 18,403,145.99 and 7,224,000.67

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Solution

The fourth proportional to 13,335,572.17, 18,403,145.99 and 7,224,000.67 is: 9,969,151.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,335,572.17 : 18,403,145.99 = 7,224,000.67 : x
  2. Step 2: Convert to fraction form
    13,335,572.17/18,403,145.99 = 7,224,000.67/x
  3. Step 3: Cross multiply
    13,335,572.17x = 18,403,145.99 × 7,224,000.67
  4. Step 4: Simplify right side
    13,335,572.17x = 132,944,338,925,747.80
  5. Step 5: Solve for x
    x = 132,944,338,925,747.80/13,335,572.17
  6. Step 6: Final answer
    x = 9,969,151.47

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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.