Home / 9,168,603.40-13,752,905.10-8,212,009.60

Finding the Fourth Proportional to 9,168,603.40, 13,752,905.10 and 8,212,009.60

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Solution

The fourth proportional to 9,168,603.40, 13,752,905.10 and 8,212,009.60 is: 12,318,014.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,168,603.40 : 13,752,905.10 = 8,212,009.60 : x
  2. Step 2: Convert to fraction form
    9,168,603.40/13,752,905.10 = 8,212,009.60/x
  3. Step 3: Cross multiply
    9,168,603.40x = 13,752,905.10 × 8,212,009.60
  4. Step 4: Simplify right side
    9,168,603.40x = 112,938,988,709,088.95
  5. Step 5: Solve for x
    x = 112,938,988,709,088.95/9,168,603.40
  6. Step 6: Final answer
    x = 12,318,014.40

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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.