Home / 35,666,421.38-49,219,668.64-21,727,775.74

Finding the Fourth Proportional to 35,666,421.38, 49,219,668.64 and 21,727,775.74

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Solution

The fourth proportional to 35,666,421.38, 49,219,668.64 and 21,727,775.74 is: 29,984,334.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,666,421.38 : 49,219,668.64 = 21,727,775.74 : x
  2. Step 2: Convert to fraction form
    35,666,421.38/49,219,668.64 = 21,727,775.74/x
  3. Step 3: Cross multiply
    35,666,421.38x = 49,219,668.64 × 21,727,775.74
  4. Step 4: Simplify right side
    35,666,421.38x = 1,069,433,922,207,030.75
  5. Step 5: Solve for x
    x = 1,069,433,922,207,030.75/35,666,421.38
  6. Step 6: Final answer
    x = 29,984,334.87

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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.