Home / 8,639,888.78-11,922,775.61-4,719,581.93

Finding the Fourth Proportional to 8,639,888.78, 11,922,775.61 and 4,719,581.93

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Solution

The fourth proportional to 8,639,888.78, 11,922,775.61 and 4,719,581.93 is: 6,512,875.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,639,888.78 : 11,922,775.61 = 4,719,581.93 : x
  2. Step 2: Convert to fraction form
    8,639,888.78/11,922,775.61 = 4,719,581.93/x
  3. Step 3: Cross multiply
    8,639,888.78x = 11,922,775.61 × 4,719,581.93
  4. Step 4: Simplify right side
    8,639,888.78x = 56,270,516,366,006.62
  5. Step 5: Solve for x
    x = 56,270,516,366,006.62/8,639,888.78
  6. Step 6: Final answer
    x = 6,512,875.08

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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.