Home / 6,931,960.22-10,393,938.02-2,138,362.40

Finding the Fourth Proportional to 6,931,960.22, 10,393,938.02 and 2,138,362.40

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Solution

The fourth proportional to 6,931,960.22, 10,393,938.02 and 2,138,362.40 is: 3,206,308.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,931,960.22 : 10,393,938.02 = 2,138,362.40 : x
  2. Step 2: Convert to fraction form
    6,931,960.22/10,393,938.02 = 2,138,362.40/x
  3. Step 3: Cross multiply
    6,931,960.22x = 10,393,938.02 × 2,138,362.40
  4. Step 4: Simplify right side
    6,931,960.22x = 22,226,006,249,898.45
  5. Step 5: Solve for x
    x = 22,226,006,249,898.45/6,931,960.22
  6. Step 6: Final answer
    x = 3,206,308.97

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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.