Home / 13,886,925.20-20,827,277.40-9,128,013.20

Finding the Fourth Proportional to 13,886,925.20, 20,827,277.40 and 9,128,013.20

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Solution

The fourth proportional to 13,886,925.20, 20,827,277.40 and 9,128,013.20 is: 13,689,975.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,886,925.20 : 20,827,277.40 = 9,128,013.20 : x
  2. Step 2: Convert to fraction form
    13,886,925.20/20,827,277.40 = 9,128,013.20/x
  3. Step 3: Cross multiply
    13,886,925.20x = 20,827,277.40 × 9,128,013.20
  4. Step 4: Simplify right side
    13,886,925.20x = 190,111,663,027,261.66
  5. Step 5: Solve for x
    x = 190,111,663,027,261.66/13,886,925.20
  6. Step 6: Final answer
    x = 13,689,975.30

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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.