Home / 11,078,820.80-16,618,231.20-10,406,974.40

Finding the Fourth Proportional to 11,078,820.80, 16,618,231.20 and 10,406,974.40

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Solution

The fourth proportional to 11,078,820.80, 16,618,231.20 and 10,406,974.40 is: 15,610,461.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,078,820.80 : 16,618,231.20 = 10,406,974.40 : x
  2. Step 2: Convert to fraction form
    11,078,820.80/16,618,231.20 = 10,406,974.40/x
  3. Step 3: Cross multiply
    11,078,820.80x = 16,618,231.20 × 10,406,974.40
  4. Step 4: Simplify right side
    11,078,820.80x = 172,945,506,671,681.28
  5. Step 5: Solve for x
    x = 172,945,506,671,681.28/11,078,820.80
  6. Step 6: Final answer
    x = 15,610,461.60

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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.