Home / 8,698,144.57-13,047,133.83-5,287,373.08

Finding the Fourth Proportional to 8,698,144.57, 13,047,133.83 and 5,287,373.08

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Solution

The fourth proportional to 8,698,144.57, 13,047,133.83 and 5,287,373.08 is: 7,931,009.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,698,144.57 : 13,047,133.83 = 5,287,373.08 : x
  2. Step 2: Convert to fraction form
    8,698,144.57/13,047,133.83 = 5,287,373.08/x
  3. Step 3: Cross multiply
    8,698,144.57x = 13,047,133.83 × 5,287,373.08
  4. Step 4: Simplify right side
    8,698,144.57x = 68,985,064,131,453.80
  5. Step 5: Solve for x
    x = 68,985,064,131,453.80/8,698,144.57
  6. Step 6: Final answer
    x = 7,931,009.15

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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.