Home / 7,186,511.83-9,916,790.65-4,088,210.71

Finding the Fourth Proportional to 7,186,511.83, 9,916,790.65 and 4,088,210.71

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Solution

The fourth proportional to 7,186,511.83, 9,916,790.65 and 4,088,210.71 is: 5,641,391.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,186,511.83 : 9,916,790.65 = 4,088,210.71 : x
  2. Step 2: Convert to fraction form
    7,186,511.83/9,916,790.65 = 4,088,210.71/x
  3. Step 3: Cross multiply
    7,186,511.83x = 9,916,790.65 × 4,088,210.71
  4. Step 4: Simplify right side
    7,186,511.83x = 40,541,929,744,157.86
  5. Step 5: Solve for x
    x = 40,541,929,744,157.86/7,186,511.83
  6. Step 6: Final answer
    x = 5,641,391.92

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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.