Home / 8,988,014.40-13,482,021.60-7,924,257.60

Finding the Fourth Proportional to 8,988,014.40, 13,482,021.60 and 7,924,257.60

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Solution

The fourth proportional to 8,988,014.40, 13,482,021.60 and 7,924,257.60 is: 11,886,386.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,988,014.40 : 13,482,021.60 = 7,924,257.60 : x
  2. Step 2: Convert to fraction form
    8,988,014.40/13,482,021.60 = 7,924,257.60/x
  3. Step 3: Cross multiply
    8,988,014.40x = 13,482,021.60 × 7,924,257.60
  4. Step 4: Simplify right side
    8,988,014.40x = 106,835,012,127,164.16
  5. Step 5: Solve for x
    x = 106,835,012,127,164.16/8,988,014.40
  6. Step 6: Final answer
    x = 11,886,386.40

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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.