Home / 13,549,122.51-20,320,429.60-6,255,574.60

Finding the Fourth Proportional to 13,549,122.51, 20,320,429.60 and 6,255,574.60

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Solution

The fourth proportional to 13,549,122.51, 20,320,429.60 and 6,255,574.60 is: 9,381,859.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,549,122.51 : 20,320,429.60 = 6,255,574.60 : x
  2. Step 2: Convert to fraction form
    13,549,122.51/20,320,429.60 = 6,255,574.60/x
  3. Step 3: Cross multiply
    13,549,122.51x = 20,320,429.60 × 6,255,574.60
  4. Step 4: Simplify right side
    13,549,122.51x = 127,115,963,235,570.27
  5. Step 5: Solve for x
    x = 127,115,963,235,570.27/13,549,122.51
  6. Step 6: Final answer
    x = 9,381,859.47

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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.