Home / 12,030,014.03-18,042,806.70-7,472,907.45

Finding the Fourth Proportional to 12,030,014.03, 18,042,806.70 and 7,472,907.45

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Solution

The fourth proportional to 12,030,014.03, 18,042,806.70 and 7,472,907.45 is: 11,207,985.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,030,014.03 : 18,042,806.70 = 7,472,907.45 : x
  2. Step 2: Convert to fraction form
    12,030,014.03/18,042,806.70 = 7,472,907.45/x
  3. Step 3: Cross multiply
    12,030,014.03x = 18,042,806.70 × 7,472,907.45
  4. Step 4: Simplify right side
    12,030,014.03x = 134,832,224,607,339.91
  5. Step 5: Solve for x
    x = 134,832,224,607,339.91/12,030,014.03
  6. Step 6: Final answer
    x = 11,207,985.65

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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.