Home / 42,861,918.84-64,301,735.96-14,109,779.76

Finding the Fourth Proportional to 42,861,918.84, 64,301,735.96 and 14,109,779.76

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Solution

The fourth proportional to 42,861,918.84, 64,301,735.96 and 14,109,779.76 is: 21,167,585.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,861,918.84 : 64,301,735.96 = 14,109,779.76 : x
  2. Step 2: Convert to fraction form
    42,861,918.84/64,301,735.96 = 14,109,779.76/x
  3. Step 3: Cross multiply
    42,861,918.84x = 64,301,735.96 × 14,109,779.76
  4. Step 4: Simplify right side
    42,861,918.84x = 907,283,332,581,272.12
  5. Step 5: Solve for x
    x = 907,283,332,581,272.12/42,861,918.84
  6. Step 6: Final answer
    x = 21,167,585.52

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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.