Home / 18,190,890.94-25,103,370.04-9,931,054.86

Finding the Fourth Proportional to 18,190,890.94, 25,103,370.04 and 9,931,054.86

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Solution

The fourth proportional to 18,190,890.94, 25,103,370.04 and 9,931,054.86 is: 13,704,823.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,190,890.94 : 25,103,370.04 = 9,931,054.86 : x
  2. Step 2: Convert to fraction form
    18,190,890.94/25,103,370.04 = 9,931,054.86/x
  3. Step 3: Cross multiply
    18,190,890.94x = 25,103,370.04 × 9,931,054.86
  4. Step 4: Simplify right side
    18,190,890.94x = 249,302,945,038,120.38
  5. Step 5: Solve for x
    x = 249,302,945,038,120.38/18,190,890.94
  6. Step 6: Final answer
    x = 13,704,823.25

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1.5x scale

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.