Home / 18,087,029.10-27,130,543.65-10,912,575.60

Finding the Fourth Proportional to 18,087,029.10, 27,130,543.65 and 10,912,575.60

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Solution

The fourth proportional to 18,087,029.10, 27,130,543.65 and 10,912,575.60 is: 16,368,863.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,087,029.10 : 27,130,543.65 = 10,912,575.60 : x
  2. Step 2: Convert to fraction form
    18,087,029.10/27,130,543.65 = 10,912,575.60/x
  3. Step 3: Cross multiply
    18,087,029.10x = 27,130,543.65 × 10,912,575.60
  4. Step 4: Simplify right side
    18,087,029.10x = 296,064,108,649,724.94
  5. Step 5: Solve for x
    x = 296,064,108,649,724.94/18,087,029.10
  6. Step 6: Final answer
    x = 16,368,863.40

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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.