Home / 12,924,878.78-19,390,639.98-4,837,970

Finding the Fourth Proportional to 12,924,878.78, 19,390,639.98 and 4,837,970

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Solution

The fourth proportional to 12,924,878.78, 19,390,639.98 and 4,837,970 is: 7,258,198.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,924,878.78 : 19,390,639.98 = 4,837,970 : x
  2. Step 2: Convert to fraction form
    12,924,878.78/19,390,639.98 = 4,837,970/x
  3. Step 3: Cross multiply
    12,924,878.78x = 19,390,639.98 × 4,837,970
  4. Step 4: Simplify right side
    12,924,878.78x = 93,811,334,504,040.61
  5. Step 5: Solve for x
    x = 93,811,334,504,040.61/12,924,878.78
  6. Step 6: Final answer
    x = 7,258,198.40

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.