Home / 7,743,931.52-10,686,884.76-4,259,417.66

Finding the Fourth Proportional to 7,743,931.52, 10,686,884.76 and 4,259,417.66

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Solution

The fourth proportional to 7,743,931.52, 10,686,884.76 and 4,259,417.66 is: 5,878,138.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,743,931.52 : 10,686,884.76 = 4,259,417.66 : x
  2. Step 2: Convert to fraction form
    7,743,931.52/10,686,884.76 = 4,259,417.66/x
  3. Step 3: Cross multiply
    7,743,931.52x = 10,686,884.76 × 4,259,417.66
  4. Step 4: Simplify right side
    7,743,931.52x = 45,519,905,677,128.86
  5. Step 5: Solve for x
    x = 45,519,905,677,128.86/7,743,931.52
  6. Step 6: Final answer
    x = 5,878,138.97

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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.