Home / 8,820,006.40-13,230,009.60-3,771,827.20

Finding the Fourth Proportional to 8,820,006.40, 13,230,009.60 and 3,771,827.20

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Solution

The fourth proportional to 8,820,006.40, 13,230,009.60 and 3,771,827.20 is: 5,657,740.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,820,006.40 : 13,230,009.60 = 3,771,827.20 : x
  2. Step 2: Convert to fraction form
    8,820,006.40/13,230,009.60 = 3,771,827.20/x
  3. Step 3: Cross multiply
    8,820,006.40x = 13,230,009.60 × 3,771,827.20
  4. Step 4: Simplify right side
    8,820,006.40x = 49,901,310,065,541.12
  5. Step 5: Solve for x
    x = 49,901,310,065,541.12/8,820,006.40
  6. Step 6: Final answer
    x = 5,657,740.80

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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.