Home / 10,867,500.30-16,301,250.45-9,785,081.10

Finding the Fourth Proportional to 10,867,500.30, 16,301,250.45 and 9,785,081.10

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Solution

The fourth proportional to 10,867,500.30, 16,301,250.45 and 9,785,081.10 is: 14,677,621.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,867,500.30 : 16,301,250.45 = 9,785,081.10 : x
  2. Step 2: Convert to fraction form
    10,867,500.30/16,301,250.45 = 9,785,081.10/x
  3. Step 3: Cross multiply
    10,867,500.30x = 16,301,250.45 × 9,785,081.10
  4. Step 4: Simplify right side
    10,867,500.30x = 159,509,057,684,661.47
  5. Step 5: Solve for x
    x = 159,509,057,684,661.47/10,867,500.30
  6. Step 6: Final answer
    x = 14,677,621.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.