Home / 19,479,967.40-29,219,951.10-8,842,399.40

Finding the Fourth Proportional to 19,479,967.40, 29,219,951.10 and 8,842,399.40

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Solution

The fourth proportional to 19,479,967.40, 29,219,951.10 and 8,842,399.40 is: 13,263,599.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,479,967.40 : 29,219,951.10 = 8,842,399.40 : x
  2. Step 2: Convert to fraction form
    19,479,967.40/29,219,951.10 = 8,842,399.40/x
  3. Step 3: Cross multiply
    19,479,967.40x = 29,219,951.10 × 8,842,399.40
  4. Step 4: Simplify right side
    19,479,967.40x = 258,374,478,074,669.38
  5. Step 5: Solve for x
    x = 258,374,478,074,669.38/19,479,967.40
  6. Step 6: Final answer
    x = 13,263,599.10

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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.