Home / 10,120,316.15-13,964,836.08-5,709,784.67

Finding the Fourth Proportional to 10,120,316.15, 13,964,836.08 and 5,709,784.67

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Solution

The fourth proportional to 10,120,316.15, 13,964,836.08 and 5,709,784.67 is: 7,878,825.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,120,316.15 : 13,964,836.08 = 5,709,784.67 : x
  2. Step 2: Convert to fraction form
    10,120,316.15/13,964,836.08 = 5,709,784.67/x
  3. Step 3: Cross multiply
    10,120,316.15x = 13,964,836.08 × 5,709,784.67
  4. Step 4: Simplify right side
    10,120,316.15x = 79,736,206,898,822.72
  5. Step 5: Solve for x
    x = 79,736,206,898,822.72/10,120,316.15
  6. Step 6: Final answer
    x = 7,878,825.69

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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.