Home / 6,897,889.80-9,518,632.50-4,142,940.24

Finding the Fourth Proportional to 6,897,889.80, 9,518,632.50 and 4,142,940.24

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Solution

The fourth proportional to 6,897,889.80, 9,518,632.50 and 4,142,940.24 is: 5,716,984.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,897,889.80 : 9,518,632.50 = 4,142,940.24 : x
  2. Step 2: Convert to fraction form
    6,897,889.80/9,518,632.50 = 4,142,940.24/x
  3. Step 3: Cross multiply
    6,897,889.80x = 9,518,632.50 × 4,142,940.24
  4. Step 4: Simplify right side
    6,897,889.80x = 39,435,125,614,021.80
  5. Step 5: Solve for x
    x = 39,435,125,614,021.80/6,897,889.80
  6. Step 6: Final answer
    x = 5,716,984.00

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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.