Home / 9,285,368.72-12,814,209-5,155,400.07

Finding the Fourth Proportional to 9,285,368.72, 12,814,209 and 5,155,400.07

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Solution

The fourth proportional to 9,285,368.72, 12,814,209 and 5,155,400.07 is: 7,114,674.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,285,368.72 : 12,814,209 = 5,155,400.07 : x
  2. Step 2: Convert to fraction form
    9,285,368.72/12,814,209 = 5,155,400.07/x
  3. Step 3: Cross multiply
    9,285,368.72x = 12,814,209 × 5,155,400.07
  4. Step 4: Simplify right side
    9,285,368.72x = 66,062,373,975,594.63
  5. Step 5: Solve for x
    x = 66,062,373,975,594.63/9,285,368.72
  6. Step 6: Final answer
    x = 7,114,674.28

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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.