Home / 21,301,793.60-31,960,563.60-6,925,330.40

Finding the Fourth Proportional to 21,301,793.60, 31,960,563.60 and 6,925,330.40

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Solution

The fourth proportional to 21,301,793.60, 31,960,563.60 and 6,925,330.40 is: 10,390,555.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,301,793.60 : 31,960,563.60 = 6,925,330.40 : x
  2. Step 2: Convert to fraction form
    21,301,793.60/31,960,563.60 = 6,925,330.40/x
  3. Step 3: Cross multiply
    21,301,793.60x = 31,960,563.60 × 6,925,330.40
  4. Step 4: Simplify right side
    21,301,793.60x = 221,337,462,700,213.47
  5. Step 5: Solve for x
    x = 221,337,462,700,213.47/21,301,793.60
  6. Step 6: Final answer
    x = 10,390,555.22

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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.