Home / 21,024,111.40-31,536,167.10-6,840,687.40

Finding the Fourth Proportional to 21,024,111.40, 31,536,167.10 and 6,840,687.40

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Solution

The fourth proportional to 21,024,111.40, 31,536,167.10 and 6,840,687.40 is: 10,261,031.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,024,111.40 : 31,536,167.10 = 6,840,687.40 : x
  2. Step 2: Convert to fraction form
    21,024,111.40/31,536,167.10 = 6,840,687.40/x
  3. Step 3: Cross multiply
    21,024,111.40x = 31,536,167.10 × 6,840,687.40
  4. Step 4: Simplify right side
    21,024,111.40x = 215,729,060,925,264.56
  5. Step 5: Solve for x
    x = 215,729,060,925,264.56/21,024,111.40
  6. Step 6: Final answer
    x = 10,261,031.10

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1.5x scale

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.