Home / 7,872,510.35-10,864,114.72-4,388,070.07

Finding the Fourth Proportional to 7,872,510.35, 10,864,114.72 and 4,388,070.07

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Solution

The fourth proportional to 7,872,510.35, 10,864,114.72 and 4,388,070.07 is: 6,055,564.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,872,510.35 : 10,864,114.72 = 4,388,070.07 : x
  2. Step 2: Convert to fraction form
    7,872,510.35/10,864,114.72 = 4,388,070.07/x
  3. Step 3: Cross multiply
    7,872,510.35x = 10,864,114.72 × 4,388,070.07
  4. Step 4: Simplify right side
    7,872,510.35x = 47,672,496,667,171.29
  5. Step 5: Solve for x
    x = 47,672,496,667,171.29/7,872,510.35
  6. Step 6: Final answer
    x = 6,055,564.81

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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.