Home / 12,602,362.20-18,903,543.30-11,938,810.20

Finding the Fourth Proportional to 12,602,362.20, 18,903,543.30 and 11,938,810.20

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Solution

The fourth proportional to 12,602,362.20, 18,903,543.30 and 11,938,810.20 is: 17,908,215.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,602,362.20 : 18,903,543.30 = 11,938,810.20 : x
  2. Step 2: Convert to fraction form
    12,602,362.20/18,903,543.30 = 11,938,810.20/x
  3. Step 3: Cross multiply
    12,602,362.20x = 18,903,543.30 × 11,938,810.20
  4. Step 4: Simplify right side
    12,602,362.20x = 225,685,815,566,181.66
  5. Step 5: Solve for x
    x = 225,685,815,566,181.66/12,602,362.20
  6. Step 6: Final answer
    x = 17,908,215.30

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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.