Home / 12,924,879.78-19,390,641.48-4,837,971

Finding the Fourth Proportional to 12,924,879.78, 19,390,641.48 and 4,837,971

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Solution

The fourth proportional to 12,924,879.78, 19,390,641.48 and 4,837,971 is: 7,258,199.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,924,879.78 : 19,390,641.48 = 4,837,971 : x
  2. Step 2: Convert to fraction form
    12,924,879.78/19,390,641.48 = 4,837,971/x
  3. Step 3: Cross multiply
    12,924,879.78x = 19,390,641.48 × 4,837,971
  4. Step 4: Simplify right side
    12,924,879.78x = 93,811,361,151,637.08
  5. Step 5: Solve for x
    x = 93,811,361,151,637.08/12,924,879.78
  6. Step 6: Final answer
    x = 7,258,199.90

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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.