Home / 21,973,615.40-32,960,423.10-20,853,871.40

Finding the Fourth Proportional to 21,973,615.40, 32,960,423.10 and 20,853,871.40

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Solution

The fourth proportional to 21,973,615.40, 32,960,423.10 and 20,853,871.40 is: 31,280,807.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,973,615.40 : 32,960,423.10 = 20,853,871.40 : x
  2. Step 2: Convert to fraction form
    21,973,615.40/32,960,423.10 = 20,853,871.40/x
  3. Step 3: Cross multiply
    21,973,615.40x = 32,960,423.10 × 20,853,871.40
  4. Step 4: Simplify right side
    21,973,615.40x = 687,352,424,616,989.38
  5. Step 5: Solve for x
    x = 687,352,424,616,989.38/21,973,615.40
  6. Step 6: Final answer
    x = 31,280,807.10

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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.