Home / 7,104,510.72-10,656,101.61-1,987,400.93

Finding the Fourth Proportional to 7,104,510.72, 10,656,101.61 and 1,987,400.93

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Solution

The fourth proportional to 7,104,510.72, 10,656,101.61 and 1,987,400.93 is: 2,980,915.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,104,510.72 : 10,656,101.61 = 1,987,400.93 : x
  2. Step 2: Convert to fraction form
    7,104,510.72/10,656,101.61 = 1,987,400.93/x
  3. Step 3: Cross multiply
    7,104,510.72x = 10,656,101.61 × 1,987,400.93
  4. Step 4: Simplify right side
    7,104,510.72x = 21,177,946,196,607.99
  5. Step 5: Solve for x
    x = 21,177,946,196,607.99/7,104,510.72
  6. Step 6: Final answer
    x = 2,980,915.51

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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.