Home / 25,653,693.20-38,426,885.40-12,018,477.20

Finding the Fourth Proportional to 25,653,693.20, 38,426,885.40 and 12,018,477.20

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Solution

The fourth proportional to 25,653,693.20, 38,426,885.40 and 12,018,477.20 is: 18,002,579.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,653,693.20 : 38,426,885.40 = 12,018,477.20 : x
  2. Step 2: Convert to fraction form
    25,653,693.20/38,426,885.40 = 12,018,477.20/x
  3. Step 3: Cross multiply
    25,653,693.20x = 38,426,885.40 × 12,018,477.20
  4. Step 4: Simplify right side
    25,653,693.20x = 461,832,646,046,912.81
  5. Step 5: Solve for x
    x = 461,832,646,046,912.81/25,653,693.20
  6. Step 6: Final answer
    x = 18,002,579.30

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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.