Home / 21,294,734.60-31,934,228.70-6,918,271.40

Finding the Fourth Proportional to 21,294,734.60, 31,934,228.70 and 6,918,271.40

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Solution

The fourth proportional to 21,294,734.60, 31,934,228.70 and 6,918,271.40 is: 10,374,849.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,294,734.60 : 31,934,228.70 = 6,918,271.40 : x
  2. Step 2: Convert to fraction form
    21,294,734.60/31,934,228.70 = 6,918,271.40/x
  3. Step 3: Cross multiply
    21,294,734.60x = 31,934,228.70 × 6,918,271.40
  4. Step 4: Simplify right side
    21,294,734.60x = 220,929,661,096,269.19
  5. Step 5: Solve for x
    x = 220,929,661,096,269.19/21,294,734.60
  6. Step 6: Final answer
    x = 10,374,849.24

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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.