Home / 18,190,889.94-25,103,368.67-9,931,053.86

Finding the Fourth Proportional to 18,190,889.94, 25,103,368.67 and 9,931,053.86

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Solution

The fourth proportional to 18,190,889.94, 25,103,368.67 and 9,931,053.86 is: 13,704,821.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,190,889.94 : 25,103,368.67 = 9,931,053.86 : x
  2. Step 2: Convert to fraction form
    18,190,889.94/25,103,368.67 = 9,931,053.86/x
  3. Step 3: Cross multiply
    18,190,889.94x = 25,103,368.67 × 9,931,053.86
  4. Step 4: Simplify right side
    18,190,889.94x = 249,302,906,154,034.47
  5. Step 5: Solve for x
    x = 249,302,906,154,034.47/18,190,889.94
  6. Step 6: Final answer
    x = 13,704,821.86

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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.