Home / 43,071,333.75-64,607,000.67-12,779,196.75

Finding the Fourth Proportional to 43,071,333.75, 64,607,000.67 and 12,779,196.75

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Solution

The fourth proportional to 43,071,333.75, 64,607,000.67 and 12,779,196.75 is: 19,168,795.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,071,333.75 : 64,607,000.67 = 12,779,196.75 : x
  2. Step 2: Convert to fraction form
    43,071,333.75/64,607,000.67 = 12,779,196.75/x
  3. Step 3: Cross multiply
    43,071,333.75x = 64,607,000.67 × 12,779,196.75
  4. Step 4: Simplify right side
    43,071,333.75x = 825,625,572,989,311.88
  5. Step 5: Solve for x
    x = 825,625,572,989,311.88/43,071,333.75
  6. Step 6: Final answer
    x = 19,168,795.14

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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.