Home / 16,021,140.31-22,109,079.01-8,679,113.40

Finding the Fourth Proportional to 16,021,140.31, 22,109,079.01 and 8,679,113.40

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Solution

The fourth proportional to 16,021,140.31, 22,109,079.01 and 8,679,113.40 is: 11,977,125.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,021,140.31 : 22,109,079.01 = 8,679,113.40 : x
  2. Step 2: Convert to fraction form
    16,021,140.31/22,109,079.01 = 8,679,113.40/x
  3. Step 3: Cross multiply
    16,021,140.31x = 22,109,079.01 × 8,679,113.40
  4. Step 4: Simplify right side
    16,021,140.31x = 191,887,203,853,954.16
  5. Step 5: Solve for x
    x = 191,887,203,853,954.16/16,021,140.31
  6. Step 6: Final answer
    x = 11,977,125.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.