Home / 38,016,005.40-57,024,008.10-12,457,848.60

Finding the Fourth Proportional to 38,016,005.40, 57,024,008.10 and 12,457,848.60

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Solution

The fourth proportional to 38,016,005.40, 57,024,008.10 and 12,457,848.60 is: 18,686,772.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,016,005.40 : 57,024,008.10 = 12,457,848.60 : x
  2. Step 2: Convert to fraction form
    38,016,005.40/57,024,008.10 = 12,457,848.60/x
  3. Step 3: Cross multiply
    38,016,005.40x = 57,024,008.10 × 12,457,848.60
  4. Step 4: Simplify right side
    38,016,005.40x = 710,396,459,474,973.62
  5. Step 5: Solve for x
    x = 710,396,459,474,973.62/38,016,005.40
  6. Step 6: Final answer
    x = 18,686,772.90

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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.