Home / 21,853,046.40-32,779,569.60-10,515,638.40

Finding the Fourth Proportional to 21,853,046.40, 32,779,569.60 and 10,515,638.40

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Solution

The fourth proportional to 21,853,046.40, 32,779,569.60 and 10,515,638.40 is: 15,773,457.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,853,046.40 : 32,779,569.60 = 10,515,638.40 : x
  2. Step 2: Convert to fraction form
    21,853,046.40/32,779,569.60 = 10,515,638.40/x
  3. Step 3: Cross multiply
    21,853,046.40x = 32,779,569.60 × 10,515,638.40
  4. Step 4: Simplify right side
    21,853,046.40x = 344,698,100,821,232.69
  5. Step 5: Solve for x
    x = 344,698,100,821,232.69/21,853,046.40
  6. Step 6: Final answer
    x = 15,773,457.60

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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.