Home / 42,707,236.89-64,071,779.40-12,415,099.89

Finding the Fourth Proportional to 42,707,236.89, 64,071,779.40 and 12,415,099.89

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Solution

The fourth proportional to 42,707,236.89, 64,071,779.40 and 12,415,099.89 is: 18,625,825.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,707,236.89 : 64,071,779.40 = 12,415,099.89 : x
  2. Step 2: Convert to fraction form
    42,707,236.89/64,071,779.40 = 12,415,099.89/x
  3. Step 3: Cross multiply
    42,707,236.89x = 64,071,779.40 × 12,415,099.89
  4. Step 4: Simplify right side
    42,707,236.89x = 795,457,541,381,044.25
  5. Step 5: Solve for x
    x = 795,457,541,381,044.25/42,707,236.89
  6. Step 6: Final answer
    x = 18,625,825.49

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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.