Home / 10,777,210.80-16,128,491.40-9,881,415.60

Finding the Fourth Proportional to 10,777,210.80, 16,128,491.40 and 9,881,415.60

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Solution

The fourth proportional to 10,777,210.80, 16,128,491.40 and 9,881,415.60 is: 14,787,901.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,777,210.80 : 16,128,491.40 = 9,881,415.60 : x
  2. Step 2: Convert to fraction form
    10,777,210.80/16,128,491.40 = 9,881,415.60/x
  3. Step 3: Cross multiply
    10,777,210.80x = 16,128,491.40 × 9,881,415.60
  4. Step 4: Simplify right side
    10,777,210.80x = 159,372,326,524,425.84
  5. Step 5: Solve for x
    x = 159,372,326,524,425.84/10,777,210.80
  6. Step 6: Final answer
    x = 14,787,901.01

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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.