Home / 10,065,913.77-13,890,465.87-5,714,428.94

Finding the Fourth Proportional to 10,065,913.77, 13,890,465.87 and 5,714,428.94

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Solution

The fourth proportional to 10,065,913.77, 13,890,465.87 and 5,714,428.94 is: 7,885,630.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,065,913.77 : 13,890,465.87 = 5,714,428.94 : x
  2. Step 2: Convert to fraction form
    10,065,913.77/13,890,465.87 = 5,714,428.94/x
  3. Step 3: Cross multiply
    10,065,913.77x = 13,890,465.87 × 5,714,428.94
  4. Step 4: Simplify right side
    10,065,913.77x = 79,376,080,088,157.94
  5. Step 5: Solve for x
    x = 79,376,080,088,157.94/10,065,913.77
  6. Step 6: Final answer
    x = 7,885,630.84

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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.