Home / 11,360,939.20-17,013,415.20-7,553,809.60

Finding the Fourth Proportional to 11,360,939.20, 17,013,415.20 and 7,553,809.60

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Solution

The fourth proportional to 11,360,939.20, 17,013,415.20 and 7,553,809.60 is: 11,312,101.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,360,939.20 : 17,013,415.20 = 7,553,809.60 : x
  2. Step 2: Convert to fraction form
    11,360,939.20/17,013,415.20 = 7,553,809.60/x
  3. Step 3: Cross multiply
    11,360,939.20x = 17,013,415.20 × 7,553,809.60
  4. Step 4: Simplify right side
    11,360,939.20x = 128,516,099,066,545.91
  5. Step 5: Solve for x
    x = 128,516,099,066,545.91/11,360,939.20
  6. Step 6: Final answer
    x = 11,312,101.65

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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.