Home / 12,458,528.40-18,687,792.60-7,335,699.60

Finding the Fourth Proportional to 12,458,528.40, 18,687,792.60 and 7,335,699.60

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Solution

The fourth proportional to 12,458,528.40, 18,687,792.60 and 7,335,699.60 is: 11,003,549.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,458,528.40 : 18,687,792.60 = 7,335,699.60 : x
  2. Step 2: Convert to fraction form
    12,458,528.40/18,687,792.60 = 7,335,699.60/x
  3. Step 3: Cross multiply
    12,458,528.40x = 18,687,792.60 × 7,335,699.60
  4. Step 4: Simplify right side
    12,458,528.40x = 137,088,032,700,702.97
  5. Step 5: Solve for x
    x = 137,088,032,700,702.97/12,458,528.40
  6. Step 6: Final answer
    x = 11,003,549.40

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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.