Home / 12,603,314.60-18,880,088.70-7,539,583.40

Finding the Fourth Proportional to 12,603,314.60, 18,880,088.70 and 7,539,583.40

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Solution

The fourth proportional to 12,603,314.60, 18,880,088.70 and 7,539,583.40 is: 11,294,489.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,603,314.60 : 18,880,088.70 = 7,539,583.40 : x
  2. Step 2: Convert to fraction form
    12,603,314.60/18,880,088.70 = 7,539,583.40/x
  3. Step 3: Cross multiply
    12,603,314.60x = 18,880,088.70 × 7,539,583.40
  4. Step 4: Simplify right side
    12,603,314.60x = 142,348,003,353,047.59
  5. Step 5: Solve for x
    x = 142,348,003,353,047.59/12,603,314.60
  6. Step 6: Final answer
    x = 11,294,489.42

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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.