Home / 21,973,631.40-32,960,447.10-20,853,887.40

Finding the Fourth Proportional to 21,973,631.40, 32,960,447.10 and 20,853,887.40

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Solution

The fourth proportional to 21,973,631.40, 32,960,447.10 and 20,853,887.40 is: 31,280,831.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,973,631.40 : 32,960,447.10 = 20,853,887.40 : x
  2. Step 2: Convert to fraction form
    21,973,631.40/32,960,447.10 = 20,853,887.40/x
  3. Step 3: Cross multiply
    21,973,631.40x = 32,960,447.10 × 20,853,887.40
  4. Step 4: Simplify right side
    21,973,631.40x = 687,353,452,477,056.50
  5. Step 5: Solve for x
    x = 687,353,452,477,056.50/21,973,631.40
  6. Step 6: Final answer
    x = 31,280,831.10

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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.