Home / 13,146,656.90-19,719,985.35-4,628,308.10

Finding the Fourth Proportional to 13,146,656.90, 19,719,985.35 and 4,628,308.10

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Solution

The fourth proportional to 13,146,656.90, 19,719,985.35 and 4,628,308.10 is: 6,942,462.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,146,656.90 : 19,719,985.35 = 4,628,308.10 : x
  2. Step 2: Convert to fraction form
    13,146,656.90/19,719,985.35 = 4,628,308.10/x
  3. Step 3: Cross multiply
    13,146,656.90x = 19,719,985.35 × 4,628,308.10
  4. Step 4: Simplify right side
    13,146,656.90x = 91,270,167,927,286.33
  5. Step 5: Solve for x
    x = 91,270,167,927,286.33/13,146,656.90
  6. Step 6: Final answer
    x = 6,942,462.15

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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.